18045022464 has 108 divisors (see below), whose sum is σ = 59460908416. Its totient is φ = 5155716096.

The previous prime is 18045022451. The next prime is 18045022481. The reversal of 18045022464 is 46422054081.

18045022464 is a `hidden beast` number, since 180 + 450 + 2 + 24 + 6 + 4 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 543304 + ... + 575559.

Almost surely, 2^18045022464 is an apocalyptic number.

18045022464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18045022464 is an abundant number, since it is smaller than the sum of its proper divisors (41415885952).

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

18045022464 is a wasteful number, since it uses less digits than its factorization.

18045022464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118892 (or 1118875 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 18045022464 in words is "eighteen billion, forty-five million, twenty-two thousand, four hundred sixty-four".