4020443212444 has 12 divisors (see below), whose sum is σ = 7045021061568. Its totient is φ = 2007580052000.

The previous prime is 4020443212417. The next prime is 4020443212451. The reversal of 4020443212444 is 4442123440204.

It is a congruent number.

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, 660385132 + ... + 660391219.

It is an arithmetic number, because the mean of its divisors is an integer number (587085088464).

Almost surely, 2^{4020443212444} is an apocalyptic number.

It is an amenable number.

4020443212444 is a deficient number, since it is larger than the sum of its proper divisors (3024577849124).

4020443212444 is a wasteful number, since it uses less digits than its factorization.

4020443212444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320777116 (or 1320777114 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 4020443212444 its reverse (4442123440204), we get a palindrome (8462566652648).

The spelling of 4020443212444 in words is "four trillion, twenty billion, four hundred forty-three million, two hundred twelve thousand, four hundred forty-four".