18722423600900 has 36 divisors (see below), whose sum is σ = 40628229158160. Its totient is φ = 7488864381600.

The previous prime is 18722423600897. The next prime is 18722423600939. The reversal of 18722423600900 is 900632422781.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6056531 + ... + 8609669.

It is an arithmetic number, because the mean of its divisors is an integer number (1128561921060).

Almost surely, 2^{18722423600900} is an apocalyptic number.

18722423600900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18722423600900 is an abundant number, since it is smaller than the sum of its proper divisors (21905805557260).

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

18722423600900 is a wasteful number, since it uses less digits than its factorization.

18722423600900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626484 (or 2626477 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 18722423600900 in words is "eighteen trillion, seven hundred twenty-two billion, four hundred twenty-three million, six hundred thousand, nine hundred".