18804491076 has 36 divisors (see below), whose sum is σ = 51040763088. Its totient is φ = 5372711568.

The previous prime is 18804491053. The next prime is 18804491119. The reversal of 18804491076 is 67019440881.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15989626 + ... + 15990801.

Almost surely, 2^18804491076 is an apocalyptic number.

It is an amenable number.

18804491076 is an abundant number, since it is smaller than the sum of its proper divisors (32236272012).

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

18804491076 is a wasteful number, since it uses less digits than its factorization.

18804491076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31980448 (or 31980439 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 18804491076 in words is "eighteen billion, eight hundred four million, four hundred ninety-one thousand, seventy-six".