4021444444144 has 10 divisors (see below), whose sum is σ = 7791548610560. Its totient is φ = 2010722222064.

The previous prime is 4021444444111. The next prime is 4021444444201. The reversal of 4021444444144 is 4414444441204.

4021444444144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4021444444097 and 4021444444106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125670138864 + ... + 125670138895.

It is an arithmetic number, because the mean of its divisors is an integer number (779154861056).

Almost surely, 2^{4021444444144} is an apocalyptic number.

It is an amenable number.

4021444444144 is a deficient number, since it is larger than the sum of its proper divisors (3770104166416).

4021444444144 is a wasteful number, since it uses less digits than its factorization.

4021444444144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251340277767 (or 251340277761 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 40.

Adding to 4021444444144 its reverse (4414444441204), we get a palindrome (8435888885348).

The spelling of 4021444444144 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-four thousand, one hundred forty-four".