12440244032 has 14 divisors (see below), whose sum is σ = 24686109378. Its totient is φ = 6220121984.

The previous prime is 12440244029. The next prime is 12440244049. The reversal of 12440244032 is 23044204421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9012844096 + 3427399936 = 94936^2 + 58544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12440243992 and 12440244010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97189343 + ... + 97189470.

It is an arithmetic number, because the mean of its divisors is an integer number (1763293527).

Almost surely, 2^12440244032 is an apocalyptic number.

It is an amenable number.

12440244032 is a deficient number, since it is larger than the sum of its proper divisors (12245865346).

12440244032 is an equidigital number, since it uses as much as digits as its factorization.

12440244032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194378825 (or 194378815 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 12440244032 its reverse (23044204421), we get a palindrome (35484448453).

The spelling of 12440244032 in words is "twelve billion, four hundred forty million, two hundred forty-four thousand, thirty-two".