4021444343984 has 20 divisors (see below), whose sum is σ = 7972747218216. Its totient is φ = 1963961190912.

The previous prime is 4021444343921. The next prime is 4021444344011. The reversal of 4021444343984 is 4893434441204.

It is a super-2 number, since 2×4021444343984² (a number of 26 digits) contains 22 as substring.

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, 2922560609 + ... + 2922561984.

Almost surely, 2^{4021444343984} is an apocalyptic number.

It is an amenable number.

4021444343984 is a deficient number, since it is larger than the sum of its proper divisors (3951302874232).

4021444343984 is a wasteful number, since it uses less digits than its factorization.

4021444343984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845122644 (or 5845122638 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 50.

The spelling of 4021444343984 in words is "four trillion, twenty-one billion, four hundred forty-four million, three hundred forty-three thousand, nine hundred eighty-four".