318493286844 has 24 divisors (see below), whose sum is σ = 744054003840. Its totient is φ = 106035428784.

The previous prime is 318493286719. The next prime is 318493286861. The reversal of 318493286844 is 448682394813.

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, 16114734 + ... + 16134485.

It is an arithmetic number, because the mean of its divisors is an integer number (31002250160).

Almost surely, 2^318493286844 is an apocalyptic number.

It is an amenable number.

318493286844 is an abundant number, since it is smaller than the sum of its proper divisors (425560716996).

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

318493286844 is a wasteful number, since it uses less digits than its factorization.

318493286844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32250049 (or 32250047 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 60.

The spelling of 318493286844 in words is "three hundred eighteen billion, four hundred ninety-three million, two hundred eighty-six thousand, eight hundred forty-four".