40442225423 has 8 divisors (see below), whose sum is σ = 40873020720. Its totient is φ = 40011713280.

The previous prime is 40442225371. The next prime is 40442225443. The reversal of 40442225423 is 32452224404.

40442225423 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 40442225423 - 2¹⁸ = 40441963279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40442225423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442225443) 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, 222833 + ... + 361301.

It is an arithmetic number, because the mean of its divisors is an integer number (5109127590).

Almost surely, 2^40442225423 is an apocalyptic number.

40442225423 is a deficient number, since it is larger than the sum of its proper divisors (430795297).

40442225423 is a wasteful number, since it uses less digits than its factorization.

40442225423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141577.

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 40442225423 its reverse (32452224404), we get a palindrome (72894449827).

The spelling of 40442225423 in words is "forty billion, four hundred forty-two million, two hundred twenty-five thousand, four hundred twenty-three".