40513166 has 16 divisors (see below), whose sum is σ = 64961568. Its totient is φ = 18902400.

The previous prime is 40513163. The next prime is 40513169. The reversal of 40513166 is 66131504.

40513166 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 (40513163) and next prime (40513169).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40513163) 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, 8855 + ... + 12626.

It is an arithmetic number, because the mean of its divisors is an integer number (4060098).

Almost surely, 2^40513166 is an apocalyptic number.

40513166 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40513166 is a deficient number, since it is larger than the sum of its proper divisors (24448402).

40513166 is a wasteful number, since it uses less digits than its factorization.

40513166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21547.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 40513166 is about 6364.9953652772. The cubic root of 40513166 is about 343.4514818397.

The spelling of 40513166 in words is "forty million, five hundred thirteen thousand, one hundred sixty-six".