44044440289 has 2 divisors, whose sum is σ = 44044440290. Its totient is φ = 44044440288.

The previous prime is 44044440247. The next prime is 44044440301. The reversal of 44044440289 is 98204444044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31946200225 + 12098240064 = 178735^2 + 109992^2 .

It is a cyclic number.

It is not a de Polignac number, because 44044440289 - 2¹¹ = 44044438241 is a prime.

It is not a weakly prime, because it can be changed into another prime (44044440589) 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, 22022220144 + 22022220145.

It is an arithmetic number, because the mean of its divisors is an integer number (22022220145).

Almost surely, 2^44044440289 is an apocalyptic number.

It is an amenable number.

44044440289 is a deficient number, since it is larger than the sum of its proper divisors (1).

44044440289 is an equidigital number, since it uses as much as digits as its factorization.

44044440289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 589824, while the sum is 43.

The spelling of 44044440289 in words is "forty-four billion, forty-four million, four hundred forty thousand, two hundred eighty-nine".