398991233322032 has 120 divisors (see below), whose sum is σ = 867796095673728. Its totient is φ = 177444627609600.

The previous prime is 398991233322023. The next prime is 398991233322041. The reversal of 398991233322032 is 230223332199893.

It is an interprime number because it is at equal distance from previous prime (398991233322023) and next prime (398991233322041).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9316682 + ... + 29745302.

Almost surely, 2^{398991233322032} 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 398991233322032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433898047836864).

398991233322032 is an abundant number, since it is smaller than the sum of its proper divisors (468804862351696).

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

398991233322032 is a wasteful number, since it uses less digits than its factorization.

398991233322032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20428919 (or 20428900 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 59.

The spelling of 398991233322032 in words is "three hundred ninety-eight trillion, nine hundred ninety-one billion, two hundred thirty-three million, three hundred twenty-two thousand, thirty-two".