40166810 has 16 divisors (see below), whose sum is σ = 72471456. Its totient is φ = 16028688.

The previous prime is 40166803. The next prime is 40166813. The reversal of 40166810 is 1866104.

40166810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40166810² = 3226745251152200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40166810.

It is not an unprimeable number, because it can be changed into a prime (40166813) 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, 104 + ... + 8963.

It is an arithmetic number, because the mean of its divisors is an integer number (4529466).

Almost surely, 2^40166810 is an apocalyptic number.

40166810 is a deficient number, since it is larger than the sum of its proper divisors (32304646).

40166810 is a wasteful number, since it uses less digits than its factorization.

40166810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9517.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 40166810 is about 6337.7290885616. The cubic root of 40166810 is about 342.4699318268.

The spelling of 40166810 in words is "forty million, one hundred sixty-six thousand, eight hundred ten".