Q: What is the negative version of the number 644,024,575?
A: -644,024,575
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 644,024,573 | 644,024,574 | 644,024,576 | 644,024,577 |
| -644,024,573 | -644,024,574 | -644,024,576 | -644,024,577 |