318880401512 has 32 divisors (see below), whose sum is σ = 612409140000. Its totient is φ = 155610182208.

The previous prime is 318880401479. The next prime is 318880401517. The reversal of 318880401512 is 215104088813.

It is a super-2 number, since 2×318880401512² (a number of 24 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 318880401512.

It is not an unprimeable number, because it can be changed into a prime (318880401517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364587 + ... + 2495802.

It is an arithmetic number, because the mean of its divisors is an integer number (19137785625).

Almost surely, 2^318880401512 is an apocalyptic number.

It is an amenable number.

318880401512 is a deficient number, since it is larger than the sum of its proper divisors (293528738488).

318880401512 is a wasteful number, since it uses less digits than its factorization.

318880401512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860593 (or 4860589 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The spelling of 318880401512 in words is "three hundred eighteen billion, eight hundred eighty million, four hundred one thousand, five hundred twelve".