2312440456 has 16 divisors (see below), whose sum is σ = 4417634700. Its totient is φ = 1134404544.

The previous prime is 2312440441. The next prime is 2312440499. The reversal of 2312440456 is 6540442132.

It can be written as a sum of positive squares in 2 ways, for example, as 2303040100 + 9400356 = 47990^2 + 3066^2 .

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, 2726511 + ... + 2727358.

Almost surely, 2^2312440456 is an apocalyptic number.

It is an amenable number.

2312440456 is a deficient number, since it is larger than the sum of its proper divisors (2105194244).

2312440456 is a wasteful number, since it uses less digits than its factorization.

2312440456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5453928 (or 5453924 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 2312440456 is about 48087.8410411613. The cubic root of 2312440456 is about 1322.3817680832.

Adding to 2312440456 its reverse (6540442132), we get a palindrome (8852882588).

The spelling of 2312440456 in words is "two billion, three hundred twelve million, four hundred forty thousand, four hundred fifty-six".