444003206005 has 16 divisors (see below), whose sum is σ = 533642853744. Its totient is φ = 354643568640.

The previous prime is 444003205957. The next prime is 444003206039. The reversal of 444003206005 is 500602300444.

It can be written as a sum of positive squares in 8 ways, for example, as 903964356 + 443099241649 = 30066^2 + 665657^2 .

It is not a de Polignac number, because 444003206005 - 2²³ = 443994817397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11312515 + ... + 11351695.

It is an arithmetic number, because the mean of its divisors is an integer number (33352678359).

Almost surely, 2^444003206005 is an apocalyptic number.

It is an amenable number.

444003206005 is a deficient number, since it is larger than the sum of its proper divisors (89639647739).

444003206005 is a wasteful number, since it uses less digits than its factorization.

444003206005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42696.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 444003206005 its reverse (500602300444), we get a palindrome (944605506449).

The spelling of 444003206005 in words is "four hundred forty-four billion, three million, two hundred six thousand, five".