4021444444023 has 48 divisors (see below), whose sum is σ = 5887495411200. Its totient is φ = 2644908710400.

The previous prime is 4021444443983. The next prime is 4021444444067. The reversal of 4021444444023 is 3204444441204.

It is a happy number.

It is not a de Polignac number, because 4021444444023 - 2⁸ = 4021444443767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021444445023) 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 47 ways as a sum of consecutive naturals, for example, 169290715 + ... + 169314467.

It is an arithmetic number, because the mean of its divisors is an integer number (122656154400).

Almost surely, 2^{4021444444023} is an apocalyptic number.

4021444444023 is a deficient number, since it is larger than the sum of its proper divisors (1866050967177).

4021444444023 is a wasteful number, since it uses less digits than its factorization.

4021444444023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24760 (or 24757 counting only the distinct ones).

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

Adding to 4021444444023 its reverse (3204444441204), we get a palindrome (7225888885227).

The spelling of 4021444444023 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-four thousand, twenty-three".