4042444424013 has 6 divisors (see below), whose sum is σ = 5839086390254. Its totient is φ = 2694962949336.

The previous prime is 4042444423999. The next prime is 4042444424047. The reversal of 4042444424013 is 3104244442404.

It is a happy number.

4042444424013 is a `hidden beast` number, since 4 + 0 + 4 + 244 + 4 + 4 + 2 + 401 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2910480356169 + 1131964067844 = 1706013^2 + 1063938^2 .

It is not a de Polignac number, because 4042444424013 - 2¹² = 4042444419917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042444424063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224580245770 + ... + 224580245787.

Almost surely, 2^{4042444424013} is an apocalyptic number.

It is an amenable number.

4042444424013 is a deficient number, since it is larger than the sum of its proper divisors (1796641966241).

4042444424013 is a wasteful number, since it uses less digits than its factorization.

4042444424013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449160491563 (or 449160491560 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 4042444424013 its reverse (3104244442404), we get a palindrome (7146688866417).

It can be divided in two parts, 404244442401 and 3, that added together give a palindrome (404244442404).

The spelling of 4042444424013 in words is "four trillion, forty-two billion, four hundred forty-four million, four hundred twenty-four thousand, thirteen".