11440285 has 4 divisors (see below), whose sum is σ = 13728348. Its totient is φ = 9152224.

The previous prime is 11440249. The next prime is 11440291. The reversal of 11440285 is 58204411.

11440285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5579044 + 5861241 = 2362^2 + 2421^2 .

It is a cyclic number.

It is not a de Polignac number, because 11440285 - 2¹³ = 11432093 is a prime.

It is a Duffinian number.

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, 1144024 + ... + 1144033.

It is an arithmetic number, because the mean of its divisors is an integer number (3432087).

Almost surely, 2^11440285 is an apocalyptic number.

It is an amenable number.

11440285 is a deficient number, since it is larger than the sum of its proper divisors (2288063).

11440285 is an equidigital number, since it uses as much as digits as its factorization.

11440285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288062.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 11440285 is about 3382.3490358034. The cubic root of 11440285 is about 225.3265053913.

Adding to 11440285 its reverse (58204411), we get a palindrome (69644696).

The spelling of 11440285 in words is "eleven million, four hundred forty thousand, two hundred eighty-five".