4021440224444 has 12 divisors (see below), whose sum is σ = 7099799335104. Its totient is φ = 1992926128704.

The previous prime is 4021440224387. The next prime is 4021440224453. The reversal of 4021440224444 is 4444220441204.

It is a congruent number.

It is an unprimeable number.

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, 4448495372 + ... + 4448496275.

It is an arithmetic number, because the mean of its divisors is an integer number (591649944592).

Almost surely, 2^{4021440224444} is an apocalyptic number.

It is an amenable number.

4021440224444 is a deficient number, since it is larger than the sum of its proper divisors (3078359110660).

4021440224444 is a wasteful number, since it uses less digits than its factorization.

4021440224444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8896991764 (or 8896991762 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 35.

Adding to 4021440224444 its reverse (4444220441204), we get a palindrome (8465660665648).

The spelling of 4021440224444 in words is "four trillion, twenty-one billion, four hundred forty million, two hundred twenty-four thousand, four hundred forty-four".