44404444555309 has 2 divisors, whose sum is σ = 44404444555310. Its totient is φ = 44404444555308.

The previous prime is 44404444555307. The next prime is 44404444555447. The reversal of 44404444555309 is 90355544440444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26613578557225 + 17790865998084 = 5158835^2 + 4217922^2 .

It is a cyclic number.

It is not a de Polignac number, because 44404444555309 - 2¹ = 44404444555307 is a prime.

It is a super-2 number, since 2×44404444555309² (a number of 28 digits) contains 22 as substring.

Together with 44404444555307, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 44404444555309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44404444555307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22202222277654 + 22202222277655.

It is an arithmetic number, because the mean of its divisors is an integer number (22202222277655).

Almost surely, 2^{44404444555309} is an apocalyptic number.

It is an amenable number.

44404444555309 is a deficient number, since it is larger than the sum of its proper divisors (1).

44404444555309 is an equidigital number, since it uses as much as digits as its factorization.

44404444555309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296000, while the sum is 55.

The spelling of 44404444555309 in words is "forty-four trillion, four hundred four billion, four hundred forty-four million, five hundred fifty-five thousand, three hundred nine".