444040999 has 2 divisors, whose sum is σ = 444041000. Its totient is φ = 444040998.

The previous prime is 444040991. The next prime is 444041027. The reversal of 444040999 is 999040444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444040999 - 2³ = 444040991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444040991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222020499 + 222020500.

It is an arithmetic number, because the mean of its divisors is an integer number (222020500).

Almost surely, 2^444040999 is an apocalyptic number.

444040999 is a deficient number, since it is larger than the sum of its proper divisors (1).

444040999 is an equidigital number, since it uses as much as digits as its factorization.

444040999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 444040999 is about 21072.2803464646. The cubic root of 444040999 is about 762.9118435893.

The spelling of 444040999 in words is "four hundred forty-four million, forty thousand, nine hundred ninety-nine".