4021424321444 has 12 divisors (see below), whose sum is σ = 7037506608384. Its totient is φ = 2010708147624.

The previous prime is 4021424321441. The next prime is 4021424321449. The reversal of 4021424321444 is 4441234241204.

4021424321444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4021424321441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3355277 + ... + 4393259.

It is an arithmetic number, because the mean of its divisors is an integer number (586458884032).

Almost surely, 2^{4021424321444} is an apocalyptic number.

It is an amenable number.

4021424321444 is a deficient number, since it is larger than the sum of its proper divisors (3016082286940).

4021424321444 is a wasteful number, since it uses less digits than its factorization.

4021424321444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006554 (or 2006552 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 4021424321444 its reverse (4441234241204), we get a palindrome (8462658562648).

The spelling of 4021424321444 in words is "four trillion, twenty-one billion, four hundred twenty-four million, three hundred twenty-one thousand, four hundred forty-four".