18754688008 has 32 divisors (see below), whose sum is σ = 40252383360. Its totient is φ = 8024970240.

The previous prime is 18754687999. The next prime is 18754688033. The reversal of 18754688008 is 80088645781.

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 18754688008.

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 7 ways as a sum of consecutive naturals, for example, 230041 + ... + 300712.

It is an arithmetic number, because the mean of its divisors is an integer number (1257886980).

Almost surely, 2^18754688008 is an apocalyptic number.

It is an amenable number.

18754688008 is an abundant number, since it is smaller than the sum of its proper divisors (21497695352).

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

18754688008 is a wasteful number, since it uses less digits than its factorization.

18754688008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531397 (or 531393 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 55.

The spelling of 18754688008 in words is "eighteen billion, seven hundred fifty-four million, six hundred eighty-eight thousand, eight".