318880068444 has 144 divisors (see below), whose sum is σ = 925542858240. Its totient is φ = 90680999040.

The previous prime is 318880068439. The next prime is 318880068509. The reversal of 318880068444 is 444860088813.

It is a super-2 number, since 2×318880068444² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51654142 + ... + 51660314.

It is an arithmetic number, because the mean of its divisors is an integer number (6427380960).

Almost surely, 2^318880068444 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 318880068444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462771429120).

318880068444 is an abundant number, since it is smaller than the sum of its proper divisors (606662789796).

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

318880068444 is a wasteful number, since it uses less digits than its factorization.

318880068444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120 (or 7115 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 54.

The spelling of 318880068444 in words is "three hundred eighteen billion, eight hundred eighty million, sixty-eight thousand, four hundred forty-four".