11440442 has 16 divisors (see below), whose sum is σ = 19119240. Its totient is φ = 5097792.

The previous prime is 11440441. The next prime is 11440447. The reversal of 11440442 is 24404411.

It is a happy number.

11440442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10297681 + 1142761 = 3209^2 + 1069^2 .

It is not an unprimeable number, because it can be changed into a prime (11440441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6833 + ... + 8340.

Almost surely, 2^11440442 is an apocalyptic number.

11440442 is a deficient number, since it is larger than the sum of its proper divisors (7678798).

11440442 is a wasteful number, since it uses less digits than its factorization.

11440442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15217.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 11440442 is about 3382.3722444462. The cubic root of 11440442 is about 225.3275361377.

Adding to 11440442 its reverse (24404411), we get a palindrome (35844853).

The spelling of 11440442 in words is "eleven million, four hundred forty thousand, four hundred forty-two".