18000075000080 has 40 divisors (see below), whose sum is σ = 42100774252992. Its totient is φ = 7156916042624.

The previous prime is 18000075000079. The next prime is 18000075000217. The reversal of 18000075000080 is 8000057000081.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673642142 + ... + 673668861.

Almost surely, 2^{18000075000080} is an apocalyptic number.

18000075000080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18000075000080 is an abundant number, since it is smaller than the sum of its proper divisors (24100699252912).

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

18000075000080 is a wasteful number, since it uses less digits than its factorization.

18000075000080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347311183 (or 1347311177 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The spelling of 18000075000080 in words is "eighteen trillion, seventy-five million, eighty", and thus it is an aban number and an uban number.