25,440 in words
25,440
twenty-five thousand four hundred forty
25,440 is written twenty-five thousand four hundred forty.
Ways to write it
- As an ordinal
- twenty-five thousand four hundred fortieth
- Expanded form
- 20,000 + 5,000 + 400 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 5 | 5,000 |
| hundreds | 4 | 400 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 80, 96, 106, 120, 159, 160, 212, 240, 265, 318, 424, 480, 530, 636, 795, 848, 1,060, 1,272, 1,590, 1,696, 2,120, 2,544, 3,180, 4,240, 5,088, 6,360, 8,480, 12,720 and 25,440 (48 factors)
- First 10 multiples
- 25,440, 50,880, 76,320, 101,760, 127,200, 152,640, 178,080, 203,520, 228,960, 254,400
- Square
- 25,440 × 25,440 = 647,193,600
- Square root
- ≈ 159.50
- Sum of the digits
- 2 + 5 + 4 + 4 + 0 = 15
- Rounded to the nearest 10
- 25,440
- Rounded to the nearest 100
- 25,400
- Rounded to the nearest 1000
- 25,000
- Number before
- 25,439
- Number after
- 25,441
- In binary
110001101100000
Quick check
What number comes just after 25,440?
Show the answer
25,441
Is 25,440 even or odd?
Show the answer
Even
What is 25,440 + 10?
Show the answer
25,450
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 25,440 in words?
25,440 is written "twenty-five thousand four hundred forty".
Is 25,440 a prime number?
No. 25,440 is a composite number, because it has more than two factors.
What are the factors of 25,440?
The factors of 25,440 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 80, 96, 106, 120, 159, 160, 212, 240, 265, 318, 424, 480, 530, 636, 795, 848, 1,060, 1,272, 1,590, 1,696, 2,120, 2,544, 3,180, 4,240, 5,088, 6,360, 8,480, 12,720 and 25,440.