4021444411220 has 96 divisors (see below), whose sum is σ = 8538034460928. Its totient is φ = 1590986022912.

The previous prime is 4021444411219. The next prime is 4021444411261. The reversal of 4021444411220 is 221144441204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520706279 + ... + 520714001.

It is an arithmetic number, because the mean of its divisors is an integer number (88937858968).

Almost surely, 2^{4021444411220} is an apocalyptic number.

It is an amenable number.

4021444411220 is an abundant number, since it is smaller than the sum of its proper divisors (4516590049708).

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

4021444411220 is a wasteful number, since it uses less digits than its factorization.

4021444411220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8689 (or 8687 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 4021444411220 its reverse (221144441204), we get a palindrome (4242588852424).

The spelling of 4021444411220 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred eleven thousand, two hundred twenty".