318816325540 has 96 divisors (see below), whose sum is σ = 707498967168. Its totient is φ = 120548736000.

The previous prime is 318816325537. The next prime is 318816325549. The reversal of 318816325540 is 45523618813.

It is not an unprimeable number, because it can be changed into a prime (318816325549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3303775 + ... + 3398905.

It is an arithmetic number, because the mean of its divisors is an integer number (7369780908).

Almost surely, 2^318816325540 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 318816325540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353749483584).

318816325540 is an abundant number, since it is smaller than the sum of its proper divisors (388682641628).

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

318816325540 is a wasteful number, since it uses less digits than its factorization.

318816325540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95309 (or 95307 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 318816325540 in words is "three hundred eighteen billion, eight hundred sixteen million, three hundred twenty-five thousand, five hundred forty".