30688870032 has 40 divisors (see below), whose sum is σ = 88088424480. Its totient is φ = 10229623200.

The previous prime is 30688870027. The next prime is 30688870049. The reversal of 30688870032 is 23007888603.

It is a self number, because there is not a number n which added to its sum of digits gives 30688870032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35519094 + ... + 35519957.

It is an arithmetic number, because the mean of its divisors is an integer number (2202210612).

Almost surely, 2^30688870032 is an apocalyptic number.

It is an amenable number.

30688870032 is an abundant number, since it is smaller than the sum of its proper divisors (57399554448).

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

30688870032 is a wasteful number, since it uses less digits than its factorization.

30688870032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71039068 (or 71039056 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 30688870032 in words is "thirty billion, six hundred eighty-eight million, eight hundred seventy thousand, thirty-two".