80235542180 has 12 divisors (see below), whose sum is σ = 168494638620. Its totient is φ = 32094216864.

The previous prime is 80235542173. The next prime is 80235542227. The reversal of 80235542180 is 8124553208.

It can be written as a sum of positive squares in 2 ways, for example, as 13861294756 + 66374247424 = 117734^2 + 257632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005888535 + ... + 2005888574.

It is an arithmetic number, because the mean of its divisors is an integer number (14041219885).

Almost surely, 2^80235542180 is an apocalyptic number.

It is an amenable number.

80235542180 is an abundant number, since it is smaller than the sum of its proper divisors (88259096440).

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

80235542180 is a wasteful number, since it uses less digits than its factorization.

80235542180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011777118 (or 4011777116 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 80235542180 in words is "eighty billion, two hundred thirty-five million, five hundred forty-two thousand, one hundred eighty".