40565266 has 16 divisors (see below), whose sum is σ = 73200960. Its totient is φ = 16470000.

The previous prime is 40565263. The next prime is 40565269. The reversal of 40565266 is 66256504.

40565266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40565263) and next prime (40565269).

It is not an unprimeable number, because it can be changed into a prime (40565263) 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 7 ways as a sum of consecutive naturals, for example, 75985 + ... + 76516.

It is an arithmetic number, because the mean of its divisors is an integer number (4575060).

Almost surely, 2^40565266 is an apocalyptic number.

40565266 is a deficient number, since it is larger than the sum of its proper divisors (32635694).

40565266 is a wasteful number, since it uses less digits than its factorization.

40565266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152529.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 40565266 is about 6369.0867477214. The cubic root of 40565266 is about 343.5986451692.

The spelling of 40565266 in words is "forty million, five hundred sixty-five thousand, two hundred sixty-six".