44041440161 has 2 divisors, whose sum is σ = 44041440162. Its totient is φ = 44041440160.

The previous prime is 44041440151. The next prime is 44041440211. The reversal of 44041440161 is 16104414044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43861343761 + 180096400 = 209431^2 + 13420^2 .

It is a cyclic number.

It is not a de Polignac number, because 44041440161 - 2¹⁸ = 44041178017 is a prime.

It is a super-4 number, since 4×44041440161⁴ (a number of 44 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (44041440151) 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 as a sum of consecutive naturals, namely, 22020720080 + 22020720081.

It is an arithmetic number, because the mean of its divisors is an integer number (22020720081).

Almost surely, 2^44041440161 is an apocalyptic number.

It is an amenable number.

44041440161 is a deficient number, since it is larger than the sum of its proper divisors (1).

44041440161 is an equidigital number, since it uses as much as digits as its factorization.

44041440161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 44041440161 in words is "forty-four billion, forty-one million, four hundred forty thousand, one hundred sixty-one".