4021444444312 has 16 divisors (see below), whose sum is σ = 7540290765360. Its totient is φ = 2010700240224.

The previous prime is 4021444444249. The next prime is 4021444444343. The reversal of 4021444444312 is 2134444441204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1956843 + ... + 3445594.

It is an arithmetic number, because the mean of its divisors is an integer number (471268172835).

Almost surely, 2^{4021444444312} is an apocalyptic number.

It is an amenable number.

4021444444312 is a deficient number, since it is larger than the sum of its proper divisors (3518846321048).

4021444444312 is a wasteful number, since it uses less digits than its factorization.

4021444444312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5495490 (or 5495486 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 4021444444312 its reverse (2134444441204), we get a palindrome (6155888885516).

The spelling of 4021444444312 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-four thousand, three hundred twelve".