315543040 has 40 divisors (see below), whose sum is σ = 756569880. Its totient is φ = 126216192.

The previous prime is 315543029. The next prime is 315543071. The reversal of 315543040 is 40345513.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 315542996 and 315543014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59070 + ... + 64189.

It is an arithmetic number, because the mean of its divisors is an integer number (18914247).

Almost surely, 2^315543040 is an apocalyptic number.

It is an amenable number.

315543040 is an abundant number, since it is smaller than the sum of its proper divisors (441026840).

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

315543040 is an equidigital number, since it uses as much as digits as its factorization.

315543040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123282 (or 123266 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 315543040 is about 17763.5311804832. The cubic root of 315543040 is about 680.7999812207.

Adding to 315543040 its reverse (40345513), we get a palindrome (355888553).

The spelling of 315543040 in words is "three hundred fifteen million, five hundred forty-three thousand, forty".