2253440256 has 36 divisors (see below), whose sum is σ = 5997439392. Its totient is φ = 751146496.

The previous prime is 2253440243. The next prime is 2253440291. The reversal of 2253440256 is 6520443522.

It is a happy number.

It is a super-2 number, since 2×2253440256² = 10155985974722691072, which contains 22 as substring.

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, 1466316 + ... + 1467851.

Almost surely, 2^2253440256 is an apocalyptic number.

It is an amenable number.

2253440256 is an abundant number, since it is smaller than the sum of its proper divisors (3743999136).

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

2253440256 is an equidigital number, since it uses as much as digits as its factorization.

2253440256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934186 (or 2934172 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 2253440256 is about 47470.4145336861. The cubic root of 2253440256 is about 1311.0382104401.

Adding to 2253440256 its reverse (6520443522), we get a palindrome (8773883778).

The spelling of 2253440256 in words is "two billion, two hundred fifty-three million, four hundred forty thousand, two hundred fifty-six".