18327409104 has 20 divisors (see below), whose sum is σ = 47345806976. Its totient is φ = 6109136352.

The previous prime is 18327409091. The next prime is 18327409153. The reversal of 18327409104 is 40190472381.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190910464 + ... + 190910559.

Almost surely, 2^18327409104 is an apocalyptic number.

It is an amenable number.

18327409104 is an abundant number, since it is smaller than the sum of its proper divisors (29018397872).

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

18327409104 is a wasteful number, since it uses less digits than its factorization.

18327409104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381821034 (or 381821028 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 18327409104 in words is "eighteen billion, three hundred twenty-seven million, four hundred nine thousand, one hundred four".