4021444444412 has 12 divisors (see below), whose sum is σ = 7037857045296. Its totient is φ = 2010628145760.

The previous prime is 4021444444373. The next prime is 4021444444439. The reversal of 4021444444412 is 2144444441204.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 23422889 + ... + 23593952.

It is an arithmetic number, because the mean of its divisors is an integer number (586488087108).

Almost surely, 2^{4021444444412} is an apocalyptic number.

It is an amenable number.

4021444444412 is a deficient number, since it is larger than the sum of its proper divisors (3016412600884).

4021444444412 is a wasteful number, since it uses less digits than its factorization.

4021444444412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47038228 (or 47038226 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 38.

Adding to 4021444444412 its reverse (2144444441204), we get a palindrome (6165888885616).

The spelling of 4021444444412 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-four thousand, four hundred twelve".