320514140142032 has 40 divisors (see below), whose sum is σ = 634249334361216. Its totient is φ = 156837328091136.

The previous prime is 320514140142019. The next prime is 320514140142041. The reversal of 320514140142032 is 230241041415023.

It is a super-2 number, since 2×320514140142032² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320514140142032.

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, 1820753 + ... + 25383920.

Almost surely, 2^{320514140142032} is an apocalyptic number.

It is an amenable number.

320514140142032 is a deficient number, since it is larger than the sum of its proper divisors (313735194219184).

320514140142032 is a wasteful number, since it uses less digits than its factorization.

320514140142032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27220395 (or 27220389 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 320514140142032 its reverse (230241041415023), we get a palindrome (550755181557055).

The spelling of 320514140142032 in words is "three hundred twenty trillion, five hundred fourteen billion, one hundred forty million, one hundred forty-two thousand, thirty-two".