40240423325 has 24 divisors (see below), whose sum is σ = 53378036712. Its totient is φ = 29986283520.

The previous prime is 40240423297. The next prime is 40240423339. The reversal of 40240423325 is 52332404204.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 20192978404 + 20047444921 = 142102^2 + 141589^2 .

It is not a de Polignac number, because 40240423325 - 2⁶ = 40240423261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446834 + ... + 529283.

It is an arithmetic number, because the mean of its divisors is an integer number (2224084863).

Almost surely, 2^40240423325 is an apocalyptic number.

It is an amenable number.

40240423325 is a deficient number, since it is larger than the sum of its proper divisors (13137613387).

40240423325 is a wasteful number, since it uses less digits than its factorization.

40240423325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976241 (or 976236 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 40240423325 its reverse (52332404204), we get a palindrome (92572827529).

The spelling of 40240423325 in words is "forty billion, two hundred forty million, four hundred twenty-three thousand, three hundred twenty-five".