444404133 has 12 divisors (see below), whose sum is σ = 643097728. Its totient is φ = 295724520.

The previous prime is 444404117. The next prime is 444404153. The reversal of 444404133 is 331404444.

It is not a de Polignac number, because 444404133 - 2⁴ = 444404117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 444404097 and 444404106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444404153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40213 + ... + 50058.

Almost surely, 2^444404133 is an apocalyptic number.

It is an amenable number.

444404133 is a deficient number, since it is larger than the sum of its proper divisors (198693595).

444404133 is a wasteful number, since it uses less digits than its factorization.

444404133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90824 (or 90821 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 444404133 is about 21080.8949762575. The cubic root of 444404133 is about 763.1197551290.

Adding to 444404133 its reverse (331404444), we get a palindrome (775808577).

The spelling of 444404133 in words is "four hundred forty-four million, four hundred four thousand, one hundred thirty-three".