40866256 has 10 divisors (see below), whose sum is σ = 79178402. Its totient is φ = 20433120.

The previous prime is 40866247. The next prime is 40866257. The reversal of 40866256 is 65266804.

40866256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38241856 + 2624400 = 6184^2 + 1620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40866257) 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 as a sum of consecutive naturals, namely, 1277055 + ... + 1277086.

Almost surely, 2^40866256 is an apocalyptic number.

It is an amenable number.

40866256 is a deficient number, since it is larger than the sum of its proper divisors (38312146).

40866256 is a wasteful number, since it uses less digits than its factorization.

40866256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554149 (or 2554143 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 40866256 is about 6392.6720547827. The cubic root of 40866256 is about 344.4463738436.

The spelling of 40866256 in words is "forty million, eight hundred sixty-six thousand, two hundred fifty-six".