30590191872 has 54 divisors (see below), whose sum is σ = 88199071142. Its totient is φ = 10196729856.

The previous prime is 30590191871. The next prime is 30590191903. The reversal of 30590191872 is 27819109503.

30590191872 is a `hidden beast` number, since 30 + 590 + 19 + 18 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17844685056 + 12745506816 = 133584^2 + 112896^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30590191871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6636193 + ... + 6640800.

Almost surely, 2^30590191872 is an apocalyptic number.

30590191872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30590191872 is an abundant number, since it is smaller than the sum of its proper divisors (57608879270).

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

30590191872 is a wasteful number, since it uses less digits than its factorization.

30590191872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13277015 (or 13276998 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 30590191872 in words is "thirty billion, five hundred ninety million, one hundred ninety-one thousand, eight hundred seventy-two".