30255644872 has 64 divisors (see below), whose sum is σ = 61347974400. Its totient is φ = 13935467520.

The previous prime is 30255644843. The next prime is 30255644873. The reversal of 30255644872 is 27844655203.

It is not an unprimeable number, because it can be changed into a prime (30255644873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3101779 + ... + 3111517.

It is an arithmetic number, because the mean of its divisors is an integer number (958562100).

Almost surely, 2^30255644872 is an apocalyptic number.

It is an amenable number.

30255644872 is an abundant number, since it is smaller than the sum of its proper divisors (31092329528).

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

30255644872 is a wasteful number, since it uses less digits than its factorization.

30255644872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246 (or 10242 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 30255644872 in words is "thirty billion, two hundred fifty-five million, six hundred forty-four thousand, eight hundred seventy-two".