444444323005 has 4 divisors (see below), whose sum is σ = 533333187612. Its totient is φ = 355555458400.

The previous prime is 444444322939. The next prime is 444444323009. The reversal of 444444323005 is 500323444444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46791746596 + 397652576409 = 216314^2 + 630597^2 .

It is not a de Polignac number, because 444444323005 - 2¹⁹ = 444443798717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444444323009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44444432296 + ... + 44444432305.

It is an arithmetic number, because the mean of its divisors is an integer number (133333296903).

Almost surely, 2^444444323005 is an apocalyptic number.

It is an amenable number.

444444323005 is a deficient number, since it is larger than the sum of its proper divisors (88888864607).

444444323005 is an equidigital number, since it uses as much as digits as its factorization.

444444323005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88888864606.

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 444444323005 its reverse (500323444444), we get a palindrome (944767767449).

The spelling of 444444323005 in words is "four hundred forty-four billion, four hundred forty-four million, three hundred twenty-three thousand, five".