18807012234 has 48 divisors (see below), whose sum is σ = 42595537920. Its totient is φ = 5989969440.

The previous prime is 18807012223. The next prime is 18807012241. The reversal of 18807012234 is 43221070881.

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 23 ways as a sum of consecutive naturals, for example, 169237 + ... + 257400.

It is an arithmetic number, because the mean of its divisors is an integer number (887407040).

Almost surely, 2^18807012234 is an apocalyptic number.

18807012234 is an abundant number, since it is smaller than the sum of its proper divisors (23788525686).

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

18807012234 is a wasteful number, since it uses less digits than its factorization.

18807012234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426755 (or 426752 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 18807012234 in words is "eighteen billion, eight hundred seven million, twelve thousand, two hundred thirty-four".