18493008132 has 24 divisors (see below), whose sum is σ = 43187234272. Its totient is φ = 6159067200.

The previous prime is 18493008103. The next prime is 18493008133. The reversal of 18493008132 is 23180039481.

It is not an unprimeable number, because it can be changed into a prime (18493008133) by changing a digit.

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, 643969 + ... + 672072.

Almost surely, 2^18493008132 is an apocalyptic number.

18493008132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18493008132 is an abundant number, since it is smaller than the sum of its proper divisors (24694226140).

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

18493008132 is a wasteful number, since it uses less digits than its factorization.

18493008132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317219 (or 1317217 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 18493008132 in words is "eighteen billion, four hundred ninety-three million, eight thousand, one hundred thirty-two".