4021443414444 has 12 divisors (see below), whose sum is σ = 9383367967064. Its totient is φ = 1340481138144.

The previous prime is 4021443414437. The next prime is 4021443414463. The reversal of 4021443414444 is 4444143441204.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167560142257 + ... + 167560142280.

Almost surely, 2^{4021443414444} is an apocalyptic number.

It is an amenable number.

4021443414444 is an abundant number, since it is smaller than the sum of its proper divisors (5361924552620).

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

4021443414444 is a wasteful number, since it uses less digits than its factorization.

4021443414444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335120284544 (or 335120284542 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 39.

Adding to 4021443414444 its reverse (4444143441204), we get a palindrome (8465586855648).

The spelling of 4021443414444 in words is "four trillion, twenty-one billion, four hundred forty-three million, four hundred fourteen thousand, four hundred forty-four".