40265266 has 16 divisors (see below), whose sum is σ = 62163288. Its totient is φ = 19552000.

The previous prime is 40265263. The next prime is 40265279. The reversal of 40265266 is 66256204.

It can be written as a sum of positive squares in 4 ways, for example, as 40259025 + 6241 = 6345^2 + 79^2 .

It is not an unprimeable number, because it can be changed into a prime (40265263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8826 + ... + 12586.

Almost surely, 2^40265266 is an apocalyptic number.

40265266 is a deficient number, since it is larger than the sum of its proper divisors (21898022).

40265266 is a wasteful number, since it uses less digits than its factorization.

40265266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 40265266 is about 6345.4917855120. The cubic root of 40265266 is about 342.7495217608.

The spelling of 40265266 in words is "forty million, two hundred sixty-five thousand, two hundred sixty-six".