80181386405824 has 56 divisors (see below), whose sum is σ = 174639352877568. Its totient is φ = 36222489066240.

The previous prime is 80181386405797. The next prime is 80181386405849. The reversal of 80181386405824 is 42850468318108.

It is a super-2 number, since 2×80181386405824² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 349253392 + ... + 349482895.

Almost surely, 2^{80181386405824} is an apocalyptic number.

It is an amenable number.

80181386405824 is an abundant number, since it is smaller than the sum of its proper divisors (94457966471744).

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

80181386405824 is a wasteful number, since it uses less digits than its factorization.

80181386405824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698736473 (or 698736463 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 58.

The spelling of 80181386405824 in words is "eighty trillion, one hundred eighty-one billion, three hundred eighty-six million, four hundred five thousand, eight hundred twenty-four".