4021444440213 has 4 divisors (see below), whose sum is σ = 5361925920288. Its totient is φ = 2680962960140.

The previous prime is 4021444440157. The next prime is 4021444440263. The reversal of 4021444440213 is 3120444441204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4021444440213 - 2¹⁰ = 4021444439189 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 (4021444440263) 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 3 ways as a sum of consecutive naturals, for example, 670240740033 + ... + 670240740038.

It is an arithmetic number, because the mean of its divisors is an integer number (1340481480072).

Almost surely, 2^{4021444440213} is an apocalyptic number.

It is an amenable number.

4021444440213 is a deficient number, since it is larger than the sum of its proper divisors (1340481480075).

4021444440213 is a wasteful number, since it uses less digits than its factorization.

4021444440213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340481480074.

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

Adding to 4021444440213 its reverse (3120444441204), we get a palindrome (7141888881417).

Subtracting from 4021444440213 its reverse (3120444441204), we obtain a palindrome (900999999009).

The spelling of 4021444440213 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty thousand, two hundred thirteen".