318680064 has 132 divisors (see below), whose sum is σ = 930320560. Its totient is φ = 105062400.

The previous prime is 318680041. The next prime is 318680119. The reversal of 318680064 is 460086813.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1391502 + ... + 1391730.

Almost surely, 2^318680064 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 318680064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465160280).

318680064 is an abundant number, since it is smaller than the sum of its proper divisors (611640496).

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

318680064 is a wasteful number, since it uses less digits than its factorization.

318680064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 318680064 is about 17851.6123641536. The cubic root of 318680064 is about 683.0486414842.

The spelling of 318680064 in words is "three hundred eighteen million, six hundred eighty thousand, sixty-four".