40505422325 has 6 divisors (see below), whose sum is σ = 50226723714. Its totient is φ = 32404337840.

The previous prime is 40505422319. The next prime is 40505422333. The reversal of 40505422325 is 52322450504.

It can be written as a sum of positive squares in 3 ways, for example, as 37662769 + 40467759556 = 6137^2 + 201166^2 .

It is not a de Polignac number, because 40505422325 - 2⁶ = 40505422261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40505422291 and 40505422300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 810108422 + ... + 810108471.

It is an arithmetic number, because the mean of its divisors is an integer number (8371120619).

Almost surely, 2^40505422325 is an apocalyptic number.

It is an amenable number.

40505422325 is a deficient number, since it is larger than the sum of its proper divisors (9721301389).

40505422325 is a wasteful number, since it uses less digits than its factorization.

40505422325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620216903 (or 1620216898 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 40505422325 its reverse (52322450504), we get a palindrome (92827872829).

The spelling of 40505422325 in words is "forty billion, five hundred five million, four hundred twenty-two thousand, three hundred twenty-five".