315436540 has 12 divisors (see below), whose sum is σ = 662416776. Its totient is φ = 126174608.

The previous prime is 315436489. The next prime is 315436579. The reversal of 315436540 is 45634513.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7885894 + ... + 7885933.

It is an arithmetic number, because the mean of its divisors is an integer number (55201398).

Almost surely, 2^315436540 is an apocalyptic number.

It is an amenable number.

315436540 is an abundant number, since it is smaller than the sum of its proper divisors (346980236).

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

315436540 is a wasteful number, since it uses less digits than its factorization.

315436540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15771836 (or 15771834 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 315436540 is about 17760.5332127163. The cubic root of 315436540 is about 680.7233795663.

It can be divided in two parts, 31543 and 6540, that added together give a palindrome (38083).

The spelling of 315436540 in words is "three hundred fifteen million, four hundred thirty-six thousand, five hundred forty".