40605265 has 16 divisors (see below), whose sum is σ = 51743232. Its totient is φ = 30484224.

The previous prime is 40605251. The next prime is 40605269. The reversal of 40605265 is 56250604.

40605265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40605265 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40605269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51202 + ... + 51988.

It is an arithmetic number, because the mean of its divisors is an integer number (3233952).

Almost surely, 2^40605265 is an apocalyptic number.

It is an amenable number.

40605265 is a deficient number, since it is larger than the sum of its proper divisors (11137967).

40605265 is a wasteful number, since it uses less digits than its factorization.

40605265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 40605265 is about 6372.2260631588. The cubic root of 40605265 is about 343.7115421439.

Adding to 40605265 its reverse (56250604), we get a palindrome (96855869).

The spelling of 40605265 in words is "forty million, six hundred five thousand, two hundred sixty-five".