30688886400 has 96 divisors (see below), whose sum is σ = 101081551200. Its totient is φ = 8183700480.

The previous prime is 30688886381. The next prime is 30688886401. The reversal of 30688886400 is 468888603.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (30688886401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1588780 + ... + 1607979.

It is an arithmetic number, because the mean of its divisors is an integer number (1052932825).

Almost surely, 2^30688886400 is an apocalyptic number.

30688886400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30688886400 is an abundant number, since it is smaller than the sum of its proper divisors (70392664800).

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

30688886400 is a wasteful number, since it uses less digits than its factorization.

30688886400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196786 (or 3196769 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 30688886400 in words is "thirty billion, six hundred eighty-eight million, eight hundred eighty-six thousand, four hundred".