318444368650912 has 96 divisors (see below), whose sum is σ = 726057449349120. Its totient is φ = 134657982800640.

The previous prime is 318444368650907. The next prime is 318444368650987. The reversal of 318444368650912 is 219056863444813.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20263087 + ... + 32364817.

It is an arithmetic number, because the mean of its divisors is an integer number (7563098430720).

Almost surely, 2^{318444368650912} is an apocalyptic number.

318444368650912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318444368650912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363028724674560).

318444368650912 is an abundant number, since it is smaller than the sum of its proper divisors (407613080698208).

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

318444368650912 is a wasteful number, since it uses less digits than its factorization.

318444368650912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12103314 (or 12103306 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 64.

The spelling of 318444368650912 in words is "three hundred eighteen trillion, four hundred forty-four billion, three hundred sixty-eight million, six hundred fifty thousand, nine hundred twelve".