18336009024 has 42 divisors (see below), whose sum is σ = 52556860850. Its totient is φ = 6112002816.

The previous prime is 18336009019. The next prime is 18336009047. The reversal of 18336009024 is 42090063381.

18336009024 is a `hidden beast` number, since 18 + 33 + 600 + 9 + 0 + 2 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9886722624 + 8449286400 = 99432^2 + 91920^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 18336009024.

It is a congruent number.

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, 15916099 + ... + 15917250.

Almost surely, 2^18336009024 is an apocalyptic number.

It is an amenable number.

18336009024 is an abundant number, since it is smaller than the sum of its proper divisors (34220851826).

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

18336009024 is a wasteful number, since it uses less digits than its factorization.

18336009024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31833367 (or 31833354 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 18336009024 in words is "eighteen billion, three hundred thirty-six million, nine thousand, twenty-four".