18025392872 has 32 divisors (see below), whose sum is σ = 35675640000. Its totient is φ = 8514534528.

The previous prime is 18025392841. The next prime is 18025392881. The reversal of 18025392872 is 27829352081.

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, 110597 + ... + 219732.

It is an arithmetic number, because the mean of its divisors is an integer number (1114863750).

Almost surely, 2^18025392872 is an apocalyptic number.

It is an amenable number.

18025392872 is a deficient number, since it is larger than the sum of its proper divisors (17650247128).

18025392872 is a wasteful number, since it uses less digits than its factorization.

18025392872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330713 (or 330709 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 18025392872 in words is "eighteen billion, twenty-five million, three hundred ninety-two thousand, eight hundred seventy-two".