4021444324144 has 40 divisors (see below), whose sum is σ = 8680239585360. Its totient is φ = 1792049457408.

The previous prime is 4021444324141. The next prime is 4021444324147. The reversal of 4021444324144 is 4414234441204.

It is an interprime number because it is at equal distance from previous prime (4021444324141) and next prime (4021444324147).

It is not an unprimeable number, because it can be changed into a prime (4021444324141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 333336502 + ... + 333348565.

It is an arithmetic number, because the mean of its divisors is an integer number (217005989634).

Almost surely, 2^{4021444324144} is an apocalyptic number.

It is an amenable number.

4021444324144 is an abundant number, since it is smaller than the sum of its proper divisors (4658795261216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021444324144 is a wasteful number, since it uses less digits than its factorization.

4021444324144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666685117 (or 666685111 counting only the distinct ones).

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

Adding to 4021444324144 its reverse (4414234441204), we get a palindrome (8435678765348).

The spelling of 4021444324144 in words is "four trillion, twenty-one billion, four hundred forty-four million, three hundred twenty-four thousand, one hundred forty-four".