18801413848872 has 48 divisors (see below), whose sum is σ = 50927090703840. Its totient is φ = 6266326274208.

The previous prime is 18801413848853. The next prime is 18801413848901. The reversal of 18801413848872 is 27884831410881.

18801413848872 is a `hidden beast` number, since 1 + 8 + 8 + 0 + 14 + 138 + 488 + 7 + 2 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16349988 + ... + 17462099.

It is an arithmetic number, because the mean of its divisors is an integer number (1060981056330).

Almost surely, 2^{18801413848872} is an apocalyptic number.

18801413848872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18801413848872 is an abundant number, since it is smaller than the sum of its proper divisors (32125676854968).

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

18801413848872 is a wasteful number, since it uses less digits than its factorization.

18801413848872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33819822 (or 33819815 counting only the distinct ones).

The product of its (nonzero) digits is 22020096, while the sum is 63.

The spelling of 18801413848872 in words is "eighteen trillion, eight hundred one billion, four hundred thirteen million, eight hundred forty-eight thousand, eight hundred seventy-two".