2405909056 has 28 divisors (see below), whose sum is σ = 4775923900. Its totient is φ = 1202526720.

The previous prime is 2405909027. The next prime is 2405909057. The reversal of 2405909056 is 6509095042.

It can be written as a sum of positive squares in 2 ways, for example, as 1048723456 + 1357185600 = 32384^2 + 36840^2 .

It is a super-2 number, since 2×2405909056² = 11576796771485622272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2405909057) 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 3 ways as a sum of consecutive naturals, for example, 252670 + ... + 262018.

Almost surely, 2^2405909056 is an apocalyptic number.

It is an amenable number.

2405909056 is a deficient number, since it is larger than the sum of its proper divisors (2370014844).

2405909056 is an equidigital number, since it uses as much as digits as its factorization.

2405909056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13382 (or 13372 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 2405909056 is about 49050.0668297200. The cubic root of 2405909056 is about 1339.9638098194.

The spelling of 2405909056 in words is "two billion, four hundred five million, nine hundred nine thousand, fifty-six".