444205705 has 8 divisors (see below), whose sum is σ = 533160072. Its totient is φ = 355289088.

The previous prime is 444205691. The next prime is 444205709. The reversal of 444205705 is 507502444.

It can be written as a sum of positive squares in 4 ways, for example, as 24324624 + 419881081 = 4932^2 + 20491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444205705 - 2⁷ = 444205577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444205709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40137 + ... + 49993.

It is an arithmetic number, because the mean of its divisors is an integer number (66645009).

Almost surely, 2^444205705 is an apocalyptic number.

It is an amenable number.

444205705 is a deficient number, since it is larger than the sum of its proper divisors (88954367).

444205705 is an equidigital number, since it uses as much as digits as its factorization.

444205705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18875.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 444205705 is about 21076.1881041141. The cubic root of 444205705 is about 763.0061596737.

The spelling of 444205705 in words is "four hundred forty-four million, two hundred five thousand, seven hundred five".