18492044556 has 96 divisors (see below), whose sum is σ = 45471444480. Its totient is φ = 5842658304.

The previous prime is 18492044537. The next prime is 18492044587. The reversal of 18492044556 is 65544029481.

It is a super-2 number, since 2×18492044556² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2957025 + ... + 2963271.

It is an arithmetic number, because the mean of its divisors is an integer number (473660880).

Almost surely, 2^18492044556 is an apocalyptic number.

It is an amenable number.

18492044556 is an abundant number, since it is smaller than the sum of its proper divisors (26979399924).

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

18492044556 is a wasteful number, since it uses less digits than its factorization.

18492044556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6463 (or 6461 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 18492044556 in words is "eighteen billion, four hundred ninety-two million, forty-four thousand, five hundred fifty-six".