18369483264 has 400 divisors, whose sum is σ = 60806170656. Its totient is φ = 5474304000.

The previous prime is 18369483259. The next prime is 18369483299. The reversal of 18369483264 is 46238496381.

18369483264 is a `hidden beast` number, since 1 + 83 + 69 + 483 + 26 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 18369483264.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30564564 + ... + 30565164.

Almost surely, 2^18369483264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18369483264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30403085328).

18369483264 is an abundant number, since it is smaller than the sum of its proper divisors (42436687392).

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

18369483264 is an equidigital number, since it uses as much as digits as its factorization.

18369483264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 684 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The spelling of 18369483264 in words is "eighteen billion, three hundred sixty-nine million, four hundred eighty-three thousand, two hundred sixty-four".