444044341221 has 48 divisors (see below), whose sum is σ = 652369479552. Its totient is φ = 268483488000.

The previous prime is 444044341189. The next prime is 444044341259. The reversal of 444044341221 is 122143440444.

It is not a de Polignac number, because 444044341221 - 2⁵ = 444044341189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444044341121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10526071 + ... + 10568171.

It is an arithmetic number, because the mean of its divisors is an integer number (13591030824).

Almost surely, 2^444044341221 is an apocalyptic number.

It is an amenable number.

444044341221 is a deficient number, since it is larger than the sum of its proper divisors (208325138331).

444044341221 is a wasteful number, since it uses less digits than its factorization.

444044341221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42494 (or 42481 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 444044341221 its reverse (122143440444), we get a palindrome (566187781665).

The spelling of 444044341221 in words is "four hundred forty-four billion, forty-four million, three hundred forty-one thousand, two hundred twenty-one".