4442044110021 has 60 divisors (see below), whose sum is σ = 7730699290380. Its totient is φ = 2534469315840.

The previous prime is 4442044109989. The next prime is 4442044110037. The reversal of 4442044110021 is 1200114402444.

It is a happy number.

4442044110021 is a `hidden beast` number, since 4 + 44 + 204 + 411 + 0 + 0 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3836388168900 + 605655941121 = 1958670^2 + 778239^2 .

It is not a de Polignac number, because 4442044110021 - 2⁵ = 4442044109989 is a prime.

It is a super-4 number, since 4×4442044110021⁴ (a number of 52 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442044110821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1776925 + ... + 3470093.

It is an arithmetic number, because the mean of its divisors is an integer number (128844988173).

Almost surely, 2^{4442044110021} is an apocalyptic number.

It is an amenable number.

4442044110021 is a deficient number, since it is larger than the sum of its proper divisors (3288655180359).

4442044110021 is a wasteful number, since it uses less digits than its factorization.

4442044110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693856 (or 1693840 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 4442044110021 its reverse (1200114402444), we get a palindrome (5642158512465).

The spelling of 4442044110021 in words is "four trillion, four hundred forty-two billion, forty-four million, one hundred ten thousand, twenty-one".