40044224155423 has 4 divisors (see below), whose sum is σ = 40044267631368. Its totient is φ = 40044180679480.

The previous prime is 40044224155421. The next prime is 40044224155471. The reversal of 40044224155423 is 32455142244004.

40044224155423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40044224155423 - 2¹ = 40044224155421 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 (40044224155421) 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, 20325793 + ... + 22208698.

It is an arithmetic number, because the mean of its divisors is an integer number (10011066907842).

Almost surely, 2^{40044224155423} is an apocalyptic number.

40044224155423 is a deficient number, since it is larger than the sum of its proper divisors (43475945).

40044224155423 is an equidigital number, since it uses as much as digits as its factorization.

40044224155423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43475944.

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 40044224155423 its reverse (32455142244004), we get a palindrome (72499366399427).

The spelling of 40044224155423 in words is "forty trillion, forty-four billion, two hundred twenty-four million, one hundred fifty-five thousand, four hundred twenty-three".