80082180 has 36 divisors (see below), whose sum is σ = 242916492. Its totient is φ = 21355200.

The previous prime is 80082157. The next prime is 80082181. The reversal of 80082180 is 8128008.

It can be written as a sum of positive squares in 2 ways, for example, as 50466816 + 29615364 = 7104^2 + 5442^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (80082181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222271 + ... + 222630.

Almost surely, 2^80082180 is an apocalyptic number.

It is an amenable number.

80082180 is an abundant number, since it is smaller than the sum of its proper divisors (162834312).

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

80082180 is a wasteful number, since it uses less digits than its factorization.

80082180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444916 (or 444911 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 80082180 is about 8948.8647324675. The cubic root of 80082180 is about 431.0344303831.

The spelling of 80082180 in words is "eighty million, eighty-two thousand, one hundred eighty".