30554193872 has 40 divisors (see below), whose sum is σ = 60347465640. Its totient is φ = 14980958720.

The previous prime is 30554193869. The next prime is 30554193893. The reversal of 30554193872 is 27839145503.

It can be written as a sum of positive squares in 4 ways, for example, as 6260607376 + 24293586496 = 79124^2 + 155864^2 .

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, 1807154 + ... + 1823982.

It is an arithmetic number, because the mean of its divisors is an integer number (1508686641).

Almost surely, 2^30554193872 is an apocalyptic number.

It is an amenable number.

30554193872 is a deficient number, since it is larger than the sum of its proper divisors (29793271768).

30554193872 is a wasteful number, since it uses less digits than its factorization.

30554193872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19031 (or 19025 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 30554193872 in words is "thirty billion, five hundred fifty-four million, one hundred ninety-three thousand, eight hundred seventy-two".