398044057560 has 64 divisors (see below), whose sum is σ = 1256981241600. Its totient is φ = 100558498176.

The previous prime is 398044057517. The next prime is 398044057589. The reversal of 398044057560 is 65750440893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87288084 + ... + 87292643.

It is an arithmetic number, because the mean of its divisors is an integer number (19640331900).

Almost surely, 2^398044057560 is an apocalyptic number.

398044057560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

398044057560 is an abundant number, since it is smaller than the sum of its proper divisors (858937184040).

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

398044057560 is a wasteful number, since it uses less digits than its factorization.

398044057560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174580760 (or 174580756 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 398044057560 in words is "three hundred ninety-eight billion, forty-four million, fifty-seven thousand, five hundred sixty".