4021443331404 has 12 divisors (see below), whose sum is σ = 9383367773304. Its totient is φ = 1340481110464.

The previous prime is 4021443331397. The next prime is 4021443331483. The reversal of 4021443331404 is 4041333441204.

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

It is a super-2 number, since 2×4021443331404² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167560138797 + ... + 167560138820.

It is an arithmetic number, because the mean of its divisors is an integer number (781947314442).

Almost surely, 2^{4021443331404} is an apocalyptic number.

It is an amenable number.

4021443331404 is an abundant number, since it is smaller than the sum of its proper divisors (5361924441900).

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

4021443331404 is a wasteful number, since it uses less digits than its factorization.

4021443331404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335120277624 (or 335120277622 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 4021443331404 its reverse (4041333441204), we get a palindrome (8062776772608).

The spelling of 4021443331404 in words is "four trillion, twenty-one billion, four hundred forty-three million, three hundred thirty-one thousand, four hundred four".