4021444440031 has 4 divisors (see below), whose sum is σ = 4021636516200. Its totient is φ = 4021252363864.

The previous prime is 4021444440019. The next prime is 4021444440037. The reversal of 4021444440031 is 1300444441204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021444440031 is a prime.

It is a super-3 number, since 3×4021444440031³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4021444439975 and 4021444440002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021444440037) 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 3 ways as a sum of consecutive naturals, for example, 96006676 + ... + 96048553.

It is an arithmetic number, because the mean of its divisors is an integer number (1005409129050).

Almost surely, 2^{4021444440031} is an apocalyptic number.

4021444440031 is a deficient number, since it is larger than the sum of its proper divisors (192076169).

4021444440031 is a wasteful number, since it uses less digits than its factorization.

4021444440031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192076168.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 4021444440031 its reverse (1300444441204), we get a palindrome (5321888881235).

The spelling of 4021444440031 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty thousand, thirty-one".