4021442244404 has 12 divisors (see below), whose sum is σ = 7578871922244. Its totient is φ = 1856050266624.

The previous prime is 4021442244403. The next prime is 4021442244433. The reversal of 4021442244404 is 4044422441204.

It can be written as a sum of positive squares in 2 ways, for example, as 905158154404 + 3116284090000 = 951398^2 + 1765300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021442244403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38667713837 + ... + 38667713940.

It is an arithmetic number, because the mean of its divisors is an integer number (631572660187).

Almost surely, 2^{4021442244404} is an apocalyptic number.

It is an amenable number.

4021442244404 is a deficient number, since it is larger than the sum of its proper divisors (3557429677840).

4021442244404 is a wasteful number, since it uses less digits than its factorization.

4021442244404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77335427794 (or 77335427792 counting only the distinct ones).

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

Adding to 4021442244404 its reverse (4044422441204), we get a palindrome (8065864685608).

The spelling of 4021442244404 in words is "four trillion, twenty-one billion, four hundred forty-two million, two hundred forty-four thousand, four hundred four".