11455240 has 16 divisors (see below), whose sum is σ = 25774380. Its totient is φ = 4582080.

The previous prime is 11455231. The next prime is 11455247. The reversal of 11455240 is 4255411.

It can be written as a sum of positive squares in 2 ways, for example, as 10719076 + 736164 = 3274^2 + 858^2 .

It is not an unprimeable number, because it can be changed into a prime (11455247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143151 + ... + 143230.

Almost surely, 2^11455240 is an apocalyptic number.

11455240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11455240 is an abundant number, since it is smaller than the sum of its proper divisors (14319140).

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

11455240 is a wasteful number, since it uses less digits than its factorization.

11455240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286392 (or 286388 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 11455240 is about 3384.5590554753. The cubic root of 11455240 is about 225.4246466122.

The spelling of 11455240 in words is "eleven million, four hundred fifty-five thousand, two hundred forty".