318319040 has 56 divisors (see below), whose sum is σ = 816315360. Its totient is φ = 117531648.

The previous prime is 318319019. The next prime is 318319069. The reversal of 318319040 is 40913813.

It is a super-2 number, since 2×318319040² = 202654022453043200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 318318994 and 318319012.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 34100 + ... + 42419.

It is an arithmetic number, because the mean of its divisors is an integer number (14577060).

Almost surely, 2^318319040 is an apocalyptic number.

It is an amenable number.

318319040 is an abundant number, since it is smaller than the sum of its proper divisors (497996320).

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

318319040 is a wasteful number, since it uses less digits than its factorization.

318319040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76549 (or 76539 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 318319040 is about 17841.4976949807. The cubic root of 318319040 is about 682.7906082608.

The spelling of 318319040 in words is "three hundred eighteen million, three hundred nineteen thousand, forty".