398071259916 has 48 divisors (see below), whose sum is σ = 1013651708160. Its totient is φ = 120582486720.

The previous prime is 398071259891. The next prime is 398071259921. The reversal of 398071259916 is 619952170893.

398071259916 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×398071259916² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 398071259916.

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, 209896 + ... + 916623.

It is an arithmetic number, because the mean of its divisors is an integer number (21117743920).

Almost surely, 2^398071259916 is an apocalyptic number.

It is an amenable number.

398071259916 is an abundant number, since it is smaller than the sum of its proper divisors (615580448244).

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

398071259916 is a wasteful number, since it uses less digits than its factorization.

398071259916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129214 (or 1129212 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 60.

The spelling of 398071259916 in words is "three hundred ninety-eight billion, seventy-one million, two hundred fifty-nine thousand, nine hundred sixteen".