4440334204021 has 2 divisors, whose sum is σ = 4440334204022. Its totient is φ = 4440334204020.

The previous prime is 4440334204013. The next prime is 4440334204081. The reversal of 4440334204021 is 1204024330444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3802652101521 + 637682102500 = 1950039^2 + 798550^2 .

It is a cyclic number.

It is not a de Polignac number, because 4440334204021 - 2³ = 4440334204013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4440334204081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220167102010 + 2220167102011.

It is an arithmetic number, because the mean of its divisors is an integer number (2220167102011).

Almost surely, 2^{4440334204021} is an apocalyptic number.

It is an amenable number.

4440334204021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440334204021 is an equidigital number, since it uses as much as digits as its factorization.

4440334204021 is an odious number, because the sum of its binary digits is odd.

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

Adding to 4440334204021 its reverse (1204024330444), we get a palindrome (5644358534465).

The spelling of 4440334204021 in words is "four trillion, four hundred forty billion, three hundred thirty-four million, two hundred four thousand, twenty-one".