982297912640 has 336 divisors, whose sum is σ = 2686951232640. Its totient is φ = 339092582400.

The previous prime is 982297912633. The next prime is 982297912649. The reversal of 982297912640 is 46219792289.

It is a self number, because there is not a number n which added to its sum of digits gives 982297912640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982297912649) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179281421 + ... + 179286899.

Almost surely, 2^982297912640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 982297912640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343475616320).

982297912640 is an abundant number, since it is smaller than the sum of its proper divisors (1704653320000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

982297912640 is a wasteful number, since it uses less digits than its factorization.

982297912640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622 (or 5581 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 982297912640 in words is "nine hundred eighty-two billion, two hundred ninety-seven million, nine hundred twelve thousand, six hundred forty".