444230304021 has 96 divisors (see below), whose sum is σ = 782898724608. Its totient is φ = 246399667200.

The previous prime is 444230303969. The next prime is 444230304047. The reversal of 444230304021 is 120403032444.

It is a happy number.

It is not a de Polignac number, because 444230304021 - 2¹⁹ = 444229779733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444230354021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27243571 + ... + 27259871.

It is an arithmetic number, because the mean of its divisors is an integer number (8155195048).

Almost surely, 2^444230304021 is an apocalyptic number.

It is an amenable number.

444230304021 is a deficient number, since it is larger than the sum of its proper divisors (338668420587).

444230304021 is a wasteful number, since it uses less digits than its factorization.

444230304021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16793 (or 16781 counting only the distinct ones).

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

Adding to 444230304021 its reverse (120403032444), we get a palindrome (564633336465).

The spelling of 444230304021 in words is "four hundred forty-four billion, two hundred thirty million, three hundred four thousand, twenty-one".