4020444440423 has 8 divisors (see below), whose sum is σ = 4159563038400. Its totient is φ = 3881358014688.

The previous prime is 4020444440401. The next prime is 4020444440429. The reversal of 4020444440423 is 3240444440204.

It is a happy number.

4020444440423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4020444440423 - 2⁶ = 4020444440359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020444440429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7788668 + ... + 8288801.

It is an arithmetic number, because the mean of its divisors is an integer number (519945379800).

Almost surely, 2^{4020444440423} is an apocalyptic number.

4020444440423 is a deficient number, since it is larger than the sum of its proper divisors (139118597977).

4020444440423 is a wasteful number, since it uses less digits than its factorization.

4020444440423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16086121.

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 4020444440423 its reverse (3240444440204), we get a palindrome (7260888880627).

The spelling of 4020444440423 in words is "four trillion, twenty billion, four hundred forty-four million, four hundred forty thousand, four hundred twenty-three".