318944444 has 96 divisors (see below), whose sum is σ = 712298496. Its totient is φ = 121616640.

The previous prime is 318944441. The next prime is 318944447. The reversal of 318944444 is 444449813.

It is an interprime number because it is at equal distance from previous prime (318944441) and next prime (318944447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318944441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1762034 + ... + 1762214.

It is an arithmetic number, because the mean of its divisors is an integer number (7419776).

Almost surely, 2^318944444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318944444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356149248).

318944444 is an abundant number, since it is smaller than the sum of its proper divisors (393354052).

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

318944444 is a wasteful number, since it uses less digits than its factorization.

318944444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 353 counting only the distinct ones).

The product of its digits is 221184, while the sum is 41.

The square root of 318944444 is about 17859.0157623538. The cubic root of 318944444 is about 683.2374771484.

The spelling of 318944444 in words is "three hundred eighteen million, nine hundred forty-four thousand, four hundred forty-four".