Q: What is the negative version of the number 664,240,438?
A: -664,240,438
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:
| 664,240,436 | 664,240,437 | 664,240,439 | 664,240,440 |
| -664,240,436 | -664,240,437 | -664,240,439 | -664,240,440 |