318290042818 has 48 divisors (see below), whose sum is σ = 538780961376. Its totient is φ = 139827093120.

The previous prime is 318290042803. The next prime is 318290042827. The reversal of 318290042818 is 818240092813.

It is a super-2 number, since 2×318290042818² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4102030 + ... + 4178902.

It is an arithmetic number, because the mean of its divisors is an integer number (11224603362).

Almost surely, 2^318290042818 is an apocalyptic number.

318290042818 is a deficient number, since it is larger than the sum of its proper divisors (220490918558).

318290042818 is a wasteful number, since it uses less digits than its factorization.

318290042818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77059 (or 77006 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 318290042818 in words is "three hundred eighteen billion, two hundred ninety million, forty-two thousand, eight hundred eighteen".