18086788800 has 378 divisors, whose sum is σ = 66476134764. Its totient is φ = 4663987200.

The previous prime is 18086788787. The next prime is 18086788813. The reversal of 18086788800 is 888768081.

It is an interprime number because it is at equal distance from previous prime (18086788787) and next prime (18086788813).

It is a super-3 number, since 3×18086788800³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 13837747 + ... + 13839053.

Almost surely, 2^18086788800 is an apocalyptic number.

18086788800 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 18086788800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33238067382).

18086788800 is an abundant number, since it is smaller than the sum of its proper divisors (48389345964).

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

18086788800 is a wasteful number, since it uses less digits than its factorization.

18086788800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 54.

The spelling of 18086788800 in words is "eighteen billion, eighty-six million, seven hundred eighty-eight thousand, eight hundred".