315329640 has 64 divisors (see below), whose sum is σ = 947160000. Its totient is φ = 83983872.

The previous prime is 315329639. The next prime is 315329683. The reversal of 315329640 is 46923513.

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 15 ways as a sum of consecutive naturals, for example, 179004 + ... + 180756.

It is an arithmetic number, because the mean of its divisors is an integer number (14799375).

Almost surely, 2^315329640 is an apocalyptic number.

315329640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315329640 is an abundant number, since it is smaller than the sum of its proper divisors (631830360).

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

315329640 is a wasteful number, since it uses less digits than its factorization.

315329640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266 (or 3262 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 315329640 is about 17757.5234759805. The cubic root of 315329640 is about 680.6464728651.

The spelling of 315329640 in words is "three hundred fifteen million, three hundred twenty-nine thousand, six hundred forty".