12440444322 has 16 divisors (see below), whose sum is σ = 24905462400. Its totient is φ = 4142719152.

The previous prime is 12440444321. The next prime is 12440444323. The reversal of 12440444322 is 22344404421.

It is an interprime number because it is at equal distance from previous prime (12440444321) and next prime (12440444323).

It is a self number, because there is not a number n which added to its sum of digits gives 12440444322.

It is not an unprimeable number, because it can be changed into a prime (12440444321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017322 + ... + 1029477.

It is an arithmetic number, because the mean of its divisors is an integer number (1556591400).

Almost surely, 2^12440444322 is an apocalyptic number.

12440444322 is an abundant number, since it is smaller than the sum of its proper divisors (12465018078).

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

12440444322 is a wasteful number, since it uses less digits than its factorization.

12440444322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047817.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 12440444322 its reverse (22344404421), we get a palindrome (34784848743).

The spelling of 12440444322 in words is "twelve billion, four hundred forty million, four hundred forty-four thousand, three hundred twenty-two".