12440344022 has 8 divisors (see below), whose sum is σ = 18667387200. Its totient is φ = 6217881624.

The previous prime is 12440344009. The next prime is 12440344039. The reversal of 12440344022 is 22044304421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12440344022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12440343982 and 12440344000.

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, 1138397 + ... + 1149272.

It is an arithmetic number, because the mean of its divisors is an integer number (2333423400).

Almost surely, 2^12440344022 is an apocalyptic number.

12440344022 is a deficient number, since it is larger than the sum of its proper divisors (6227043178).

12440344022 is a wasteful number, since it uses less digits than its factorization.

12440344022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290390.

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

Adding to 12440344022 its reverse (22044304421), we get a palindrome (34484648443).

The spelling of 12440344022 in words is "twelve billion, four hundred forty million, three hundred forty-four thousand, twenty-two".