444404449 has 2 divisors, whose sum is σ = 444404450. Its totient is φ = 444404448.

The previous prime is 444404423. The next prime is 444404489. The reversal of 444404449 is 944404444.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231040000 + 213364449 = 15200^2 + 14607^2 .

It is a cyclic number.

It is not a de Polignac number, because 444404449 - 2¹¹ = 444402401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (444404489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222202224 + 222202225.

It is an arithmetic number, because the mean of its divisors is an integer number (222202225).

Almost surely, 2^444404449 is an apocalyptic number.

It is an amenable number.

444404449 is a deficient number, since it is larger than the sum of its proper divisors (1).

444404449 is an equidigital number, since it uses as much as digits as its factorization.

444404449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 37.

The square root of 444404449 is about 21080.9024711942. The cubic root of 444404449 is about 763.1199360047.

The spelling of 444404449 in words is "four hundred forty-four million, four hundred four thousand, four hundred forty-nine".