12442533044 has 6 divisors (see below), whose sum is σ = 21774432834. Its totient is φ = 6221266520.

The previous prime is 12442533041. The next prime is 12442533079. The reversal of 12442533044 is 44033524421.

It can be written as a sum of positive squares in only one way, i.e., 11106630544 + 1335902500 = 105388^2 + 36550^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12442533044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442533041) by changing a digit.

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 as a sum of consecutive naturals, namely, 1555316627 + ... + 1555316634.

It is an arithmetic number, because the mean of its divisors is an integer number (3629072139).

Almost surely, 2^12442533044 is an apocalyptic number.

It is an amenable number.

12442533044 is a deficient number, since it is larger than the sum of its proper divisors (9331899790).

12442533044 is a wasteful number, since it uses less digits than its factorization.

12442533044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110633265 (or 3110633263 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The spelling of 12442533044 in words is "twelve billion, four hundred forty-two million, five hundred thirty-three thousand, forty-four".