12440433244 has 24 divisors (see below), whose sum is σ = 21894879440. Its totient is φ = 6184826496.

The previous prime is 12440433227. The next prime is 12440433263. The reversal of 12440433244 is 44233404421.

12440433244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712264 + ... + 729520.

Almost surely, 2^12440433244 is an apocalyptic number.

It is an amenable number.

12440433244 is a deficient number, since it is larger than the sum of its proper divisors (9454446196).

12440433244 is a wasteful number, since it uses less digits than its factorization.

12440433244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18277 (or 18275 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 12440433244 its reverse (44233404421), we get a palindrome (56673837665).

The spelling of 12440433244 in words is "twelve billion, four hundred forty million, four hundred thirty-three thousand, two hundred forty-four".