44289647656 has 8 divisors (see below), whose sum is σ = 83043089370. Its totient is φ = 22144823824.

The previous prime is 44289647609. The next prime is 44289647671. The reversal of 44289647656 is 65674698244.

It is a happy number.

44289647656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 31894388100 + 12395259556 = 178590^2 + 111334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 44289647594 and 44289647603.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2768102971 + ... + 2768102986.

Almost surely, 2^44289647656 is an apocalyptic number.

It is an amenable number.

44289647656 is a deficient number, since it is larger than the sum of its proper divisors (38753441714).

44289647656 is a wasteful number, since it uses less digits than its factorization.

44289647656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536205963 (or 5536205959 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 61.

The spelling of 44289647656 in words is "forty-four billion, two hundred eighty-nine million, six hundred forty-seven thousand, six hundred fifty-six".