18000088000080 has 80 divisors (see below), whose sum is σ = 56294080608960. Its totient is φ = 4757545375744.

The previous prime is 18000088000049. The next prime is 18000088000087. The reversal of 18000088000080 is 8000088000081.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18000088000087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331832910 + ... + 331887149.

It is an arithmetic number, because the mean of its divisors is an integer number (703676007612).

Almost surely, 2^{18000088000080} is an apocalyptic number.

18000088000080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18000088000080 is an abundant number, since it is smaller than the sum of its proper divisors (38293992608880).

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

18000088000080 is a wasteful number, since it uses less digits than its factorization.

18000088000080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663720188 (or 663720182 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 33.

Subtracting from 18000088000080 its reverse (8000088000081), we obtain a palindrome (9999999999999).

The spelling of 18000088000080 in words is "eighteen trillion, eighty-eight million, eighty", and thus it is an aban number and an uban number.