30697874256 has 40 divisors (see below), whose sum is σ = 90631820224. Its totient is φ = 8770821120.

The previous prime is 30697874243. The next prime is 30697874297. The reversal of 30697874256 is 65247879603.

It is a junction number, because it is equal to n+sod(n) for n = 30697874196 and 30697874205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45681025 + ... + 45681696.

Almost surely, 2^30697874256 is an apocalyptic number.

It is an amenable number.

30697874256 is an abundant number, since it is smaller than the sum of its proper divisors (59933945968).

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

30697874256 is a wasteful number, since it uses less digits than its factorization.

30697874256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91362739 (or 91362733 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 30697874256 in words is "thirty billion, six hundred ninety-seven million, eight hundred seventy-four thousand, two hundred fifty-six".