44021340269 has 2 divisors, whose sum is σ = 44021340270. Its totient is φ = 44021340268.

The previous prime is 44021340239. The next prime is 44021340281. The reversal of 44021340269 is 96204312044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24340056169 + 19681284100 = 156013^2 + 140290^2 .

It is a cyclic number.

It is not a de Polignac number, because 44021340269 - 2²⁸ = 43752904813 is a prime.

It is a super-2 number, since 2×44021340269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44021340239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22010670134 + 22010670135.

It is an arithmetic number, because the mean of its divisors is an integer number (22010670135).

Almost surely, 2^44021340269 is an apocalyptic number.

It is an amenable number.

44021340269 is a deficient number, since it is larger than the sum of its proper divisors (1).

44021340269 is an equidigital number, since it uses as much as digits as its factorization.

44021340269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 44021340269 in words is "forty-four billion, twenty-one million, three hundred forty thousand, two hundred sixty-nine".