444002411221 has 8 divisors (see below), whose sum is σ = 467864506080. Its totient is φ = 420189671088.

The previous prime is 444002411219. The next prime is 444002411227. The reversal of 444002411221 is 122114200444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444002411221 - 2¹ = 444002411219 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 (444002411227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12320206 + ... + 12356191.

It is an arithmetic number, because the mean of its divisors is an integer number (58483063260).

Almost surely, 2^444002411221 is an apocalyptic number.

It is an amenable number.

444002411221 is a deficient number, since it is larger than the sum of its proper divisors (23862094859).

444002411221 is a wasteful number, since it uses less digits than its factorization.

444002411221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24677363.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 444002411221 its reverse (122114200444), we get a palindrome (566116611665).

The spelling of 444002411221 in words is "four hundred forty-four billion, two million, four hundred eleven thousand, two hundred twenty-one".