18056304000 has 768 divisors, whose sum is σ = 77456433600. Its totient is φ = 4122316800.

The previous prime is 18056303999. The next prime is 18056304037. The reversal of 18056304000 is 40365081.

18056304000 is a `hidden beast` number, since 180 + 56 + 30 + 400 + 0 = 666.

It is a super-2 number, since 2×18056304000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21167574 + ... + 21168426.

Almost surely, 2^18056304000 is an apocalyptic number.

18056304000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18056304000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38728216800).

18056304000 is an abundant number, since it is smaller than the sum of its proper divisors (59400129600).

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

18056304000 is an equidigital number, since it uses as much as digits as its factorization.

18056304000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 18056304000 its reverse (40365081), we get a palindrome (18096669081).

The spelling of 18056304000 in words is "eighteen billion, fifty-six million, three hundred four thousand".