444040313 has 16 divisors (see below), whose sum is σ = 461635200. Its totient is φ = 426898560.

The previous prime is 444040237. The next prime is 444040327. The reversal of 444040313 is 313040444.

It is a cyclic number.

It is not a de Polignac number, because 444040313 - 2¹⁴ = 444023929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444040213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540443 + ... + 541263.

It is an arithmetic number, because the mean of its divisors is an integer number (28852200).

Almost surely, 2^444040313 is an apocalyptic number.

It is an amenable number.

444040313 is a deficient number, since it is larger than the sum of its proper divisors (17594887).

444040313 is a wasteful number, since it uses less digits than its factorization.

444040313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 444040313 is about 21072.2640691502. The cubic root of 444040313 is about 762.9114507143.

Adding to 444040313 its reverse (313040444), we get a palindrome (757080757).

The spelling of 444040313 in words is "four hundred forty-four million, forty thousand, three hundred thirteen".