30172388152 has 32 divisors (see below), whose sum is σ = 57162568320. Its totient is φ = 14929336800.

The previous prime is 30172388143. The next prime is 30172388177. The reversal of 30172388152 is 25188327103.

It is a happy number.

It is a congruent number.

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, 809527 + ... + 845977.

It is an arithmetic number, because the mean of its divisors is an integer number (1786330260).

Almost surely, 2^30172388152 is an apocalyptic number.

It is an amenable number.

30172388152 is a deficient number, since it is larger than the sum of its proper divisors (26990180168).

30172388152 is a wasteful number, since it uses less digits than its factorization.

30172388152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37531 (or 37527 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 30172388152 in words is "thirty billion, one hundred seventy-two million, three hundred eighty-eight thousand, one hundred fifty-two".