318384039816 has 48 divisors (see below), whose sum is σ = 862836514800. Its totient is φ = 106060763232.

The previous prime is 318384039791. The next prime is 318384039817. The reversal of 318384039816 is 618930483813.

It is not an unprimeable number, because it can be changed into a prime (318384039817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1286566 + ... + 1513941.

It is an arithmetic number, because the mean of its divisors is an integer number (17975760725).

Almost surely, 2^318384039816 is an apocalyptic number.

318384039816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

318384039816 is an abundant number, since it is smaller than the sum of its proper divisors (544452474984).

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

318384039816 is a wasteful number, since it uses less digits than its factorization.

318384039816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802098 (or 2802091 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 318384039816 in words is "three hundred eighteen billion, three hundred eighty-four million, thirty-nine thousand, eight hundred sixteen".