320401027760 has 80 divisors (see below), whose sum is σ = 860456704032. Its totient is φ = 109655961600.

The previous prime is 320401027759. The next prime is 320401027813. The reversal of 320401027760 is 67720104023.

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

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, 10693631 + ... + 10723550.

Almost surely, 2^320401027760 is an apocalyptic number.

It is an amenable number.

320401027760 is an abundant number, since it is smaller than the sum of its proper divisors (540055676272).

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

320401027760 is a wasteful number, since it uses less digits than its factorization.

320401027760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21417222 (or 21417216 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The spelling of 320401027760 in words is "three hundred twenty billion, four hundred one million, twenty-seven thousand, seven hundred sixty".