444334240021 has 8 divisors (see below), whose sum is σ = 508346798400. Its totient is φ = 380455741248.

The previous prime is 444334240019. The next prime is 444334240067. The reversal of 444334240021 is 120042433444.

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 444334240021 - 2¹ = 444334240019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444334240001) 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, 33507796 + ... + 33521053.

It is an arithmetic number, because the mean of its divisors is an integer number (63543349800).

Almost surely, 2^444334240021 is an apocalyptic number.

It is an amenable number.

444334240021 is a deficient number, since it is larger than the sum of its proper divisors (64012558379).

444334240021 is an equidigital number, since it uses as much as digits as its factorization.

444334240021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67029803.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 444334240021 its reverse (120042433444), we get a palindrome (564376673465).

The spelling of 444334240021 in words is "four hundred forty-four billion, three hundred thirty-four million, two hundred forty thousand, twenty-one".