318646484508 has 24 divisors (see below), whose sum is σ = 811100142720. Its totient is φ = 96559540720.

The previous prime is 318646484483. The next prime is 318646484549. The reversal of 318646484508 is 805484646813.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

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, 1206994128 + ... + 1206994391.

It is an arithmetic number, because the mean of its divisors is an integer number (33795839280).

Almost surely, 2^318646484508 is an apocalyptic number.

It is an amenable number.

318646484508 is an abundant number, since it is smaller than the sum of its proper divisors (492453658212).

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

318646484508 is a wasteful number, since it uses less digits than its factorization.

318646484508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413988537 (or 2413988535 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 57.

The spelling of 318646484508 in words is "three hundred eighteen billion, six hundred forty-six million, four hundred eighty-four thousand, five hundred eight".