40013422325 has 12 divisors (see below), whose sum is σ = 52535270340. Its totient is φ = 30127752960.

The previous prime is 40013422321. The next prime is 40013422327. The reversal of 40013422325 is 52322431004.

It can be written as a sum of positive squares in 6 ways, for example, as 1496219761 + 38517202564 = 38681^2 + 196258^2 .

It is not a de Polignac number, because 40013422325 - 2² = 40013422321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40013422294 and 40013422303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013422321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47074190 + ... + 47075039.

It is an arithmetic number, because the mean of its divisors is an integer number (4377939195).

Almost surely, 2^40013422325 is an apocalyptic number.

It is an amenable number.

40013422325 is a deficient number, since it is larger than the sum of its proper divisors (12521848015).

40013422325 is a wasteful number, since it uses less digits than its factorization.

40013422325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94149256 (or 94149251 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 40013422325 its reverse (52322431004), we get a palindrome (92335853329).

The spelling of 40013422325 in words is "forty billion, thirteen million, four hundred twenty-two thousand, three hundred twenty-five".