320072111286488 has 16 divisors (see below), whose sum is σ = 654692954904360. Its totient is φ = 145487323312000.

The previous prime is 320072111286467. The next prime is 320072111286493. The reversal of 320072111286488 is 884682111270023.

It is a super-2 number, since 2×320072111286488² (a number of 30 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 3 ways as a sum of consecutive naturals, for example, 1818591541313 + ... + 1818591541488.

Almost surely, 2^{320072111286488} is an apocalyptic number.

It is an amenable number.

320072111286488 is an abundant number, since it is smaller than the sum of its proper divisors (334620843617872).

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

320072111286488 is a wasteful number, since it uses less digits than its factorization.

320072111286488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637183082818 (or 3637183082814 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 320072111286488 in words is "three hundred twenty trillion, seventy-two billion, one hundred eleven million, two hundred eighty-six thousand, four hundred eighty-eight".