444204033221 has 32 divisors (see below), whose sum is σ = 526058426880. Its totient is φ = 371301590016.

The previous prime is 444204033211. The next prime is 444204033227. The reversal of 444204033221 is 122330402444.

It is a cyclic number.

It is not a de Polignac number, because 444204033221 - 2¹⁰ = 444204032197 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 (444204033227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250415 + ... + 975251.

It is an arithmetic number, because the mean of its divisors is an integer number (16439325840).

Almost surely, 2^444204033221 is an apocalyptic number.

It is an amenable number.

444204033221 is a deficient number, since it is larger than the sum of its proper divisors (81854393659).

444204033221 is a wasteful number, since it uses less digits than its factorization.

444204033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724973.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 444204033221 its reverse (122330402444), we get a palindrome (566534435665).

The spelling of 444204033221 in words is "four hundred forty-four billion, two hundred four million, thirty-three thousand, two hundred twenty-one".