440142032044023 has 4 divisors (see below), whose sum is σ = 586856042725368. Its totient is φ = 293428021362680.

The previous prime is 440142032043983. The next prime is 440142032044031. The reversal of 440142032044023 is 320440230241044.

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 440142032044023 - 2¹⁴ = 440142032027639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440142032044123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73357005340668 + ... + 73357005340673.

It is an arithmetic number, because the mean of its divisors is an integer number (146714010681342).

Almost surely, 2^{440142032044023} is an apocalyptic number.

440142032044023 is a deficient number, since it is larger than the sum of its proper divisors (146714010681345).

440142032044023 is a wasteful number, since it uses less digits than its factorization.

440142032044023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146714010681344.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 440142032044023 its reverse (320440230241044), we get a palindrome (760582262285067).

The spelling of 440142032044023 in words is "four hundred forty trillion, one hundred forty-two billion, thirty-two million, forty-four thousand, twenty-three".