18372937404 has 12 divisors (see below), whose sum is σ = 42870187304. Its totient is φ = 6124312464.

The previous prime is 18372937361. The next prime is 18372937423. The reversal of 18372937404 is 40473927381.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 765539047 + ... + 765539070.

Almost surely, 2^18372937404 is an apocalyptic number.

It is an amenable number.

18372937404 is an abundant number, since it is smaller than the sum of its proper divisors (24497249900).

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

18372937404 is a wasteful number, since it uses less digits than its factorization.

18372937404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531078124 (or 1531078122 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 18372937404 in words is "eighteen billion, three hundred seventy-two million, nine hundred thirty-seven thousand, four hundred four".