444401305 has 16 divisors (see below), whose sum is σ = 539385984. Its totient is φ = 351475200.

The previous prime is 444401303. The next prime is 444401327. The reversal of 444401305 is 503104444.

It is not a de Polignac number, because 444401305 - 2¹ = 444401303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444401305.

It is not an unprimeable number, because it can be changed into a prime (444401303) 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, 170089 + ... + 172681.

It is an arithmetic number, because the mean of its divisors is an integer number (33711624).

Almost surely, 2^444401305 is an apocalyptic number.

It is an amenable number.

444401305 is a deficient number, since it is larger than the sum of its proper divisors (94984679).

444401305 is a wasteful number, since it uses less digits than its factorization.

444401305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 444401305 is about 21080.8279011997. The cubic root of 444401305 is about 763.1181364017.

Adding to 444401305 its reverse (503104444), we get a palindrome (947505749).

The spelling of 444401305 in words is "four hundred forty-four million, four hundred one thousand, three hundred five".