4021442204444 has 24 divisors (see below), whose sum is σ = 8065668803808. Its totient is φ = 1718592860160.

The previous prime is 4021442204443. The next prime is 4021442204503. The reversal of 4021442204444 is 4444022441204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021442204441) 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 7 ways as a sum of consecutive naturals, for example, 203422037 + ... + 203441804.

It is an arithmetic number, because the mean of its divisors is an integer number (336069533492).

Almost surely, 2^{4021442204444} is an apocalyptic number.

It is an amenable number.

4021442204444 is an abundant number, since it is smaller than the sum of its proper divisors (4044226599364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021442204444 is a wasteful number, since it uses less digits than its factorization.

4021442204444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406864205 (or 406864203 counting only the distinct ones).

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

Adding to 4021442204444 its reverse (4444022441204), we get a palindrome (8465464645648).

The spelling of 4021442204444 in words is "four trillion, twenty-one billion, four hundred forty-two million, two hundred four thousand, four hundred forty-four".