444262240899 has 24 divisors (see below), whose sum is σ = 662690787200. Its totient is φ = 286500395520.

The previous prime is 444262240883. The next prime is 444262240913. The reversal of 444262240899 is 998042262444.

It is a happy number.

444262240899 is a `hidden beast` number, since 4 + 4 + 4 + 2 + 622 + 4 + 0 + 8 + 9 + 9 = 666.

It is a Cunningham number, because it is equal to 666530²-1.

It is not a de Polignac number, because 444262240899 - 2⁴ = 444262240883 is a prime.

It is a super-2 number, since 2×444262240899² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444262240399) 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 in 23 ways as a sum of consecutive naturals, for example, 333267 + ... + 999795.

Almost surely, 2^444262240899 is an apocalyptic number.

444262240899 is a deficient number, since it is larger than the sum of its proper divisors (218428546301).

444262240899 is a wasteful number, since it uses less digits than its factorization.

444262240899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668955 (or 668952 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 444262240899 in words is "four hundred forty-four billion, two hundred sixty-two million, two hundred forty thousand, eight hundred ninety-nine".