1444440244 has 24 divisors (see below), whose sum is σ = 2730093408. Its totient is φ = 664735200.

The previous prime is 1444440233. The next prime is 1444440251. The reversal of 1444440244 is 4420444441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21982 + ... + 58069.

It is an arithmetic number, because the mean of its divisors is an integer number (113753892).

Almost surely, 2^1444440244 is an apocalyptic number.

It is an amenable number.

1444440244 is a deficient number, since it is larger than the sum of its proper divisors (1285653164).

1444440244 is a wasteful number, since it uses less digits than its factorization.

1444440244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80415 (or 80413 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

The square root of 1444440244 is about 38005.7922427622. The cubic root of 1444440244 is about 1130.4027185989.

Adding to 1444440244 its reverse (4420444441), we get a palindrome (5864884685).

The spelling of 1444440244 in words is "one billion, four hundred forty-four million, four hundred forty thousand, two hundred forty-four".