18397760030508 has 54 divisors (see below), whose sum is σ = 43124359970916. Its totient is φ = 6104677581216.

The previous prime is 18397760030501. The next prime is 18397760030563. The reversal of 18397760030508 is 80503006779381.

It is not an unprimeable number, because it can be changed into a prime (18397760030501) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3402579141 + ... + 3402584547.

Almost surely, 2^{18397760030508} is an apocalyptic number.

It is an amenable number.

18397760030508 is an abundant number, since it is smaller than the sum of its proper divisors (24726599940408).

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

18397760030508 is an frugal number, since it uses more digits than its factorization.

18397760030508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11279 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 18397760030508 in words is "eighteen trillion, three hundred ninety-seven billion, seven hundred sixty million, thirty thousand, five hundred eight".