80180144720 has 80 divisors (see below), whose sum is σ = 203177745792. Its totient is φ = 29248258560.

The previous prime is 80180144713. The next prime is 80180144749. The reversal of 80180144720 is 2744108108.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378116 + ... + 550755.

Almost surely, 2^80180144720 is an apocalyptic number.

80180144720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80180144720 is an abundant number, since it is smaller than the sum of its proper divisors (122997601072).

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

80180144720 is a wasteful number, since it uses less digits than its factorization.

80180144720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928980 (or 928974 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The spelling of 80180144720 in words is "eighty billion, one hundred eighty million, one hundred forty-four thousand, seven hundred twenty".