428,440 in words
428,440
four hundred twenty-eight thousand four hundred forty
428,440 is written four hundred twenty-eight thousand four hundred forty.
Ways to write it
- As an ordinal
- four hundred twenty-eight thousand four hundred fortieth
- Expanded form
- 400,000 + 20,000 + 8,000 + 400 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 4 | 400,000 |
| ten thousands | 2 | 20,000 |
| thousands | 8 | 8,000 |
| hundreds | 4 | 400 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 5, 8, 10, 20, 40, 10,711, 21,422, 42,844, 53,555, 85,688, 107,110, 214,220 and 428,440 (16 factors)
- First 10 multiples
- 428,440, 856,880, 1,285,320, 1,713,760, 2,142,200, 2,570,640, 2,999,080, 3,427,520, 3,855,960, 4,284,400
- Square
- 428,440 × 428,440 = 183,560,833,600
- Square root
- ≈ 654.55
- Sum of the digits
- 4 + 2 + 8 + 4 + 4 + 0 = 22
- Rounded to the nearest 10
- 428,440
- Rounded to the nearest 100
- 428,400
- Rounded to the nearest 1000
- 428,000
- Number before
- 428,439
- Number after
- 428,441
- In binary
1101000100110011000
Quick check
What number comes just after 428,440?
Show the answer
428,441
Is 428,440 even or odd?
Show the answer
Even
What is 428,440 + 10?
Show the answer
428,450
Practice 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 428,440 in words?
428,440 is written "four hundred twenty-eight thousand four hundred forty".
Is 428,440 a prime number?
No. 428,440 is a composite number, because it has more than two factors.
What are the factors of 428,440?
The factors of 428,440 are 1, 2, 4, 5, 8, 10, 20, 40, 10,711, 21,422, 42,844, 53,555, 85,688, 107,110, 214,220 and 428,440.