40041166 has 16 divisors (see below), whose sum is σ = 65680128. Its totient is φ = 18156600.

The previous prime is 40041163. The next prime is 40041173. The reversal of 40041166 is 66114004.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40041163) 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, 8221 + ... + 12151.

It is an arithmetic number, because the mean of its divisors is an integer number (4105008).

Almost surely, 2^40041166 is an apocalyptic number.

40041166 is a deficient number, since it is larger than the sum of its proper divisors (25638962).

40041166 is a wasteful number, since it uses less digits than its factorization.

40041166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 40041166 is about 6327.8089414899. The cubic root of 40041166 is about 342.1124705609.

It can be divided in two parts, 4004 and 1166, that multiplied together give a palindrome (4668664).

The spelling of 40041166 in words is "forty million, forty-one thousand, one hundred sixty-six".