30532332872 has 32 divisors (see below), whose sum is σ = 60287457600. Its totient is φ = 14456378304.

The previous prime is 30532332851. The next prime is 30532332913. The reversal of 30532332872 is 27823323503.

It is a super-2 number, since 2×30532332872² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 315653 + ... + 400875.

It is an arithmetic number, because the mean of its divisors is an integer number (1883983050).

Almost surely, 2^30532332872 is an apocalyptic number.

It is an amenable number.

30532332872 is a deficient number, since it is larger than the sum of its proper divisors (29755124728).

30532332872 is a wasteful number, since it uses less digits than its factorization.

30532332872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87605 (or 87601 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 30532332872 in words is "thirty billion, five hundred thirty-two million, three hundred thirty-two thousand, eight hundred seventy-two".