18807150408 has 16 divisors (see below), whose sum is σ = 47017876080. Its totient is φ = 6269050128.

The previous prime is 18807150403. The next prime is 18807150449. The reversal of 18807150408 is 80405170881.

It is a self number, because there is not a number n which added to its sum of digits gives 18807150408.

It is not an unprimeable number, because it can be changed into a prime (18807150403) by changing a digit.

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, 391815610 + ... + 391815657.

It is an arithmetic number, because the mean of its divisors is an integer number (2938617255).

Almost surely, 2^18807150408 is an apocalyptic number.

It is an amenable number.

18807150408 is an abundant number, since it is smaller than the sum of its proper divisors (28210725672).

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

18807150408 is a wasteful number, since it uses less digits than its factorization.

18807150408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783631276 (or 783631272 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 42.

The spelling of 18807150408 in words is "eighteen billion, eight hundred seven million, one hundred fifty thousand, four hundred eight".