318795680 has 192 divisors, whose sum is σ = 923166720. Its totient is φ = 101606400.

The previous prime is 318795649. The next prime is 318795683. The reversal of 318795680 is 86597813.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (318795683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1510775 + ... + 1510985.

It is an arithmetic number, because the mean of its divisors is an integer number (4808160).

Almost surely, 2^318795680 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 318795680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461583360).

318795680 is an abundant number, since it is smaller than the sum of its proper divisors (604371040).

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

318795680 is a wasteful number, since it uses less digits than its factorization.

318795680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 318795680 is about 17854.8503214113. The cubic root of 318795680 is about 683.1312340406.

The spelling of 318795680 in words is "three hundred eighteen million, seven hundred ninety-five thousand, six hundred eighty".