444044040389 has 2 divisors, whose sum is σ = 444044040390. Its totient is φ = 444044040388.

The previous prime is 444044040379. The next prime is 444044040431. The reversal of 444044040389 is 983040440444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 396826923364 + 47217117025 = 629942^2 + 217295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444044040389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444044040379) 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, 222022020194 + 222022020195.

It is an arithmetic number, because the mean of its divisors is an integer number (222022020195).

Almost surely, 2^444044040389 is an apocalyptic number.

It is an amenable number.

444044040389 is a deficient number, since it is larger than the sum of its proper divisors (1).

444044040389 is an equidigital number, since it uses as much as digits as its factorization.

444044040389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 44.

The spelling of 444044040389 in words is "four hundred forty-four billion, forty-four million, forty thousand, three hundred eighty-nine".