315400064 has 48 divisors (see below), whose sum is σ = 730936080. Its totient is φ = 135168768.

The previous prime is 315400051. The next prime is 315400067. The reversal of 315400064 is 460004513.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315400067) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 18872 + ... + 31415.

It is an arithmetic number, because the mean of its divisors is an integer number (15227835).

Almost surely, 2^315400064 is an apocalyptic number.

It is an amenable number.

315400064 is an abundant number, since it is smaller than the sum of its proper divisors (415536016).

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

315400064 is an equidigital number, since it uses as much as digits as its factorization.

315400064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50315 (or 50296 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 315400064 is about 17759.5062994443. The cubic root of 315400064 is about 680.6971397156.

Adding to 315400064 its reverse (460004513), we get a palindrome (775404577).

The spelling of 315400064 in words is "three hundred fifteen million, four hundred thousand, sixty-four".