318149802404 has 48 divisors (see below), whose sum is σ = 650138012160. Its totient is φ = 133447633920.

The previous prime is 318149802353. The next prime is 318149802407. The reversal of 318149802404 is 404208941813.

It is not an unprimeable number, because it can be changed into a prime (318149802407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2852324 + ... + 2961764.

It is an arithmetic number, because the mean of its divisors is an integer number (13544541920).

Almost surely, 2^318149802404 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 318149802404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325069006080).

318149802404 is an abundant number, since it is smaller than the sum of its proper divisors (331988209756).

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

318149802404 is an equidigital number, since it uses as much as digits as its factorization.

318149802404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109593 (or 109497 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 318149802404 in words is "three hundred eighteen billion, one hundred forty-nine million, eight hundred two thousand, four hundred four".