315204044040 has 48 divisors (see below), whose sum is σ = 1024413144300. Its totient is φ = 84054411648.

The previous prime is 315204044039. The next prime is 315204044053. The reversal of 315204044040 is 40440402513.

It is a happy number.

315204044040 is a `hidden beast` number, since 3 + 15 + 204 + 0 + 440 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 302462601156 + 12741442884 = 549966^2 + 112878^2 .

It is a junction number, because it is equal to n+sod(n) for n = 315204043995 and 315204044013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437783035 + ... + 437783754.

Almost surely, 2^315204044040 is an apocalyptic number.

315204044040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315204044040 is an abundant number, since it is smaller than the sum of its proper divisors (709209100260).

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

315204044040 is a wasteful number, since it uses less digits than its factorization.

315204044040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875566806 (or 875566799 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 315204044040 its reverse (40440402513), we get a palindrome (355644446553).

The spelling of 315204044040 in words is "three hundred fifteen billion, two hundred four million, forty-four thousand, forty".