315940660 has 48 divisors (see below), whose sum is σ = 761088384. Its totient is φ = 107918208.

The previous prime is 315940649. The next prime is 315940663. The reversal of 315940660 is 66049513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315940663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34707 + ... + 42853.

It is an arithmetic number, because the mean of its divisors is an integer number (15856008).

Almost surely, 2^315940660 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 315940660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380544192).

315940660 is an abundant number, since it is smaller than the sum of its proper divisors (445147724).

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

315940660 is a wasteful number, since it uses less digits than its factorization.

315940660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8440 (or 8438 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 315940660 is about 17774.7196883664. The cubic root of 315940660 is about 681.0858229070.

The spelling of 315940660 in words is "three hundred fifteen million, nine hundred forty thousand, six hundred sixty".