18924306804 has 96 divisors (see below), whose sum is σ = 55134455040. Its totient is φ = 5569686144.

The previous prime is 18924306749. The next prime is 18924306809. The reversal of 18924306804 is 40860342981.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 18924306804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18924306809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260727 + ... + 325310.

It is an arithmetic number, because the mean of its divisors is an integer number (574317240).

Almost surely, 2^18924306804 is an apocalyptic number.

It is an amenable number.

18924306804 is an abundant number, since it is smaller than the sum of its proper divisors (36210148236).

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

18924306804 is a wasteful number, since it uses less digits than its factorization.

18924306804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586086 (or 586078 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 18924306804 in words is "eighteen billion, nine hundred twenty-four million, three hundred six thousand, eight hundred four".