4424044202021 has 16 divisors (see below), whose sum is σ = 4664202086400. Its totient is φ = 4189987751040.

The previous prime is 4424044202003. The next prime is 4424044202033. The reversal of 4424044202021 is 1202024404244.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4424044202021 - 2²⁶ = 4423977093157 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 (4424044202041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26721905 + ... + 26886953.

It is an arithmetic number, because the mean of its divisors is an integer number (291512630400).

Almost surely, 2^{4424044202021} is an apocalyptic number.

It is an amenable number.

4424044202021 is a deficient number, since it is larger than the sum of its proper divisors (240157884379).

4424044202021 is a wasteful number, since it uses less digits than its factorization.

4424044202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183524.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 4424044202021 its reverse (1202024404244), we get a palindrome (5626068606265).

The spelling of 4424044202021 in words is "four trillion, four hundred twenty-four billion, forty-four million, two hundred two thousand, twenty-one".