305252520872 has 32 divisors (see below), whose sum is σ = 636258362880. Its totient is φ = 136341074880.

The previous prime is 305252520857. The next prime is 305252520901. The reversal of 305252520872 is 278025252503.

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, 47337428 + ... + 47343875.

It is an arithmetic number, because the mean of its divisors is an integer number (19883073840).

Almost surely, 2^305252520872 is an apocalyptic number.

It is an amenable number.

305252520872 is an abundant number, since it is smaller than the sum of its proper divisors (331005842008).

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

305252520872 is a wasteful number, since it uses less digits than its factorization.

305252520872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94681353 (or 94681349 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 305252520872 in words is "three hundred five billion, two hundred fifty-two million, five hundred twenty thousand, eight hundred seventy-two".