44026756649 has 6 divisors (see below), whose sum is σ = 44760342510. Its totient is φ = 43305002880.

The previous prime is 44026756601. The next prime is 44026756681. The reversal of 44026756649 is 94665762044.

It can be written as a sum of positive squares in 3 ways, for example, as 164994025 + 43861762624 = 12845^2 + 209432^2 .

It is not a de Polignac number, because 44026756649 - 2⁸ = 44026756393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44026756649.

It is not an unprimeable number, because it can be changed into a prime (44026756849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5912264 + ... + 5919705.

It is an arithmetic number, because the mean of its divisors is an integer number (7460057085).

Almost surely, 2^44026756649 is an apocalyptic number.

It is an amenable number.

44026756649 is a deficient number, since it is larger than the sum of its proper divisors (733585861).

44026756649 is an equidigital number, since it uses as much as digits as its factorization.

44026756649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11832091 (or 11832030 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 44026756649 in words is "forty-four billion, twenty-six million, seven hundred fifty-six thousand, six hundred forty-nine".