12444143344 has 20 divisors (see below), whose sum is σ = 25528794624. Its totient is φ = 5856067328.

The previous prime is 12444143323. The next prime is 12444143357. The reversal of 12444143344 is 44334144421.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22874992 + ... + 22875535.

Almost surely, 2^12444143344 is an apocalyptic number.

It is an amenable number.

12444143344 is an abundant number, since it is smaller than the sum of its proper divisors (13084651280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12444143344 is a wasteful number, since it uses less digits than its factorization.

12444143344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45750552 (or 45750546 counting only the distinct ones).

The product of its digits is 73728, while the sum is 34.

Adding to 12444143344 its reverse (44334144421), we get a palindrome (56778287765).

The spelling of 12444143344 in words is "twelve billion, four hundred forty-four million, one hundred forty-three thousand, three hundred forty-four".