40235665061225 has 6 divisors (see below), whose sum is σ = 49892224675950. Its totient is φ = 32188532048960.

The previous prime is 40235665061209. The next prime is 40235665061297. The reversal of 40235665061225 is 52216056653204.

It can be written as a sum of positive squares in 3 ways, for example, as 4475073700969 + 35760591360256 = 2115437^2 + 5980016^2 .

It is not a de Polignac number, because 40235665061225 - 2⁴ = 40235665061209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40235665061225.

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, 804713301200 + ... + 804713301249.

It is an arithmetic number, because the mean of its divisors is an integer number (8315370779325).

Almost surely, 2^{40235665061225} is an apocalyptic number.

It is an amenable number.

40235665061225 is a deficient number, since it is larger than the sum of its proper divisors (9656559614725).

40235665061225 is a wasteful number, since it uses less digits than its factorization.

40235665061225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609426602459 (or 1609426602454 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 40235665061225 in words is "forty trillion, two hundred thirty-five billion, six hundred sixty-five million, sixty-one thousand, two hundred twenty-five".