1444753979656 has 32 divisors (see below), whose sum is σ = 2921759348760. Its totient is φ = 665788349952.

The previous prime is 1444753979651. The next prime is 1444753979659. The reversal of 1444753979656 is 6569793574441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 518990568100 + 925763411556 = 720410^2 + 962166^2 .

It is not an unprimeable number, because it can be changed into a prime (1444753979651) by changing a digit.

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, 10569045 + ... + 10704868.

Almost surely, 2^{1444753979656} is an apocalyptic number.

It is an amenable number.

1444753979656 is an abundant number, since it is smaller than the sum of its proper divisors (1477005369104).

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

1444753979656 is a wasteful number, since it uses less digits than its factorization.

1444753979656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21274585 (or 21274581 counting only the distinct ones).

The product of its digits is 685843200, while the sum is 70.

The spelling of 1444753979656 in words is "one trillion, four hundred forty-four billion, seven hundred fifty-three million, nine hundred seventy-nine thousand, six hundred fifty-six".