4021444334012 has 24 divisors (see below), whose sum is σ = 8466198599040. Its totient is φ = 1632766872240.

The previous prime is 4021444333979. The next prime is 4021444334059. The reversal of 4021444334012 is 2104334441204.

It is a super-2 number, since 2×4021444334012² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4021444334012.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3779552414 + ... + 3779553477.

It is an arithmetic number, because the mean of its divisors is an integer number (352758274960).

Almost surely, 2^{4021444334012} is an apocalyptic number.

It is an amenable number.

4021444334012 is an abundant number, since it is smaller than the sum of its proper divisors (4444754265028).

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

4021444334012 is a wasteful number, since it uses less digits than its factorization.

4021444334012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7559105921 (or 7559105919 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 4021444334012 its reverse (2104334441204), we get a palindrome (6125778775216).

The spelling of 4021444334012 in words is "four trillion, twenty-one billion, four hundred forty-four million, three hundred thirty-four thousand, twelve".