18742452504 has 32 divisors (see below), whose sum is σ = 46865952000. Its totient is φ = 6246174752.

The previous prime is 18742452493. The next prime is 18742452539. The reversal of 18742452504 is 40525424781.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38677 + ... + 197435.

It is an arithmetic number, because the mean of its divisors is an integer number (1464561000).

Almost surely, 2^18742452504 is an apocalyptic number.

It is an amenable number.

18742452504 is an abundant number, since it is smaller than the sum of its proper divisors (28123499496).

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

18742452504 is a wasteful number, since it uses less digits than its factorization.

18742452504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163687 (or 163683 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 42.

The spelling of 18742452504 in words is "eighteen billion, seven hundred forty-two million, four hundred fifty-two thousand, five hundred four".