4021444443424 has 48 divisors (see below), whose sum is σ = 8175386419200. Its totient is φ = 1945199854080.

The previous prime is 4021444443377. The next prime is 4021444443437. The reversal of 4021444443424 is 4243444441204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2242977 + ... + 3615775.

It is an arithmetic number, because the mean of its divisors is an integer number (170320550400).

Almost surely, 2^{4021444443424} is an apocalyptic number.

It is an amenable number.

4021444443424 is an abundant number, since it is smaller than the sum of its proper divisors (4153941975776).

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

4021444443424 is a wasteful number, since it uses less digits than its factorization.

4021444443424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375793 (or 1375785 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 40.

Adding to 4021444443424 its reverse (4243444441204), we get a palindrome (8264888884628).

The spelling of 4021444443424 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-three thousand, four hundred twenty-four".