40504025323 has 4 divisors (see below), whose sum is σ = 40813216488. Its totient is φ = 40194834160.

The previous prime is 40504025321. The next prime is 40504025327. The reversal of 40504025323 is 32352040504.

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 40504025323 - 2¹ = 40504025321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40504025291 and 40504025300.

It is not an unprimeable number, because it can be changed into a prime (40504025321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154595386 + ... + 154595647.

It is an arithmetic number, because the mean of its divisors is an integer number (10203304122).

Almost surely, 2^40504025323 is an apocalyptic number.

40504025323 is a deficient number, since it is larger than the sum of its proper divisors (309191165).

40504025323 is a wasteful number, since it uses less digits than its factorization.

40504025323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309191164.

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 40504025323 its reverse (32352040504), we get a palindrome (72856065827).

The spelling of 40504025323 in words is "forty billion, five hundred four million, twenty-five thousand, three hundred twenty-three".