18044882496 has 42 divisors (see below), whose sum is σ = 51722399222. Its totient is φ = 6014960640.

The previous prime is 18044882489. The next prime is 18044882497. The reversal of 18044882496 is 69428844081.

It is a happy number.

18044882496 is a `hidden beast` number, since 1 + 80 + 448 + 82 + 49 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17652842496 + 392040000 = 132864^2 + 19800^2 .

It is not an unprimeable number, because it can be changed into a prime (18044882497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15663385 + ... + 15664536.

Almost surely, 2^18044882496 is an apocalyptic number.

18044882496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18044882496 is an abundant number, since it is smaller than the sum of its proper divisors (33677516726).

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

18044882496 is a wasteful number, since it uses less digits than its factorization.

18044882496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31327939 (or 31327926 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The spelling of 18044882496 in words is "eighteen billion, forty-four million, eight hundred eighty-two thousand, four hundred ninety-six".