18796844844 has 18 divisors (see below), whose sum is σ = 47514246780. Its totient is φ = 6265614936.

The previous prime is 18796844779. The next prime is 18796844867. The reversal of 18796844844 is 44844869781.

18796844844 is a `hidden beast` number, since 1 + 8 + 79 + 6 + 84 + 484 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 261067254 + ... + 261067325.

Almost surely, 2^18796844844 is an apocalyptic number.

It is an amenable number.

18796844844 is an abundant number, since it is smaller than the sum of its proper divisors (28717401936).

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

18796844844 is a wasteful number, since it uses less digits than its factorization.

18796844844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522134589 (or 522134584 counting only the distinct ones).

The product of its digits is 49545216, while the sum is 63.

The spelling of 18796844844 in words is "eighteen billion, seven hundred ninety-six million, eight hundred forty-four thousand, eight hundred forty-four".