11440256 has 32 divisors (see below), whose sum is σ = 22990800. Its totient is φ = 5670144.

The previous prime is 11440249. The next prime is 11440291. The reversal of 11440256 is 65204411.

It is a tau number, because it is divible by the number of its divisors (32).

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, 17471 + ... + 18113.

Almost surely, 2^11440256 is an apocalyptic number.

11440256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11440256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11495400).

11440256 is an abundant number, since it is smaller than the sum of its proper divisors (11550544).

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

11440256 is an equidigital number, since it uses as much as digits as its factorization.

11440256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 11440256 is about 3382.3447488392. The cubic root of 11440256 is about 225.3263149976.

Adding to 11440256 its reverse (65204411), we get a palindrome (76644667).

The spelling of 11440256 in words is "eleven million, four hundred forty thousand, two hundred fifty-six".