30255644875 has 32 divisors (see below), whose sum is σ = 38937600000. Its totient is φ = 23459061600.

The previous prime is 30255644873. The next prime is 30255644893. The reversal of 30255644875 is 57844655203.

It is not a de Polignac number, because 30255644875 - 2¹ = 30255644873 is a prime.

It is a super-2 number, since 2×30255644875² (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 580126 + ... + 630124.

It is an arithmetic number, because the mean of its divisors is an integer number (1216800000).

Almost surely, 2^30255644875 is an apocalyptic number.

30255644875 is a deficient number, since it is larger than the sum of its proper divisors (8681955125).

30255644875 is a wasteful number, since it uses less digits than its factorization.

30255644875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50164 (or 50154 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 49.

The spelling of 30255644875 in words is "thirty billion, two hundred fifty-five million, six hundred forty-four thousand, eight hundred seventy-five".