12444886388 has 48 divisors (see below), whose sum is σ = 24566857728. Its totient is φ = 5464908000.

The previous prime is 12444886379. The next prime is 12444886417. The reversal of 12444886388 is 88368844421.

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 15 ways as a sum of consecutive naturals, for example, 820433 + ... + 835463.

It is an arithmetic number, because the mean of its divisors is an integer number (511809536).

Almost surely, 2^12444886388 is an apocalyptic number.

It is an amenable number.

12444886388 is a deficient number, since it is larger than the sum of its proper divisors (12121971340).

12444886388 is a wasteful number, since it uses less digits than its factorization.

12444886388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15684 (or 15682 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 56.

The spelling of 12444886388 in words is "twelve billion, four hundred forty-four million, eight hundred eighty-six thousand, three hundred eighty-eight".