40918183 has 2 divisors, whose sum is σ = 40918184. Its totient is φ = 40918182.

The previous prime is 40918169. The next prime is 40918187. The reversal of 40918183 is 38181904.

It is a happy number.

40918183 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40918183 - 2²⁵ = 7363751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40918187) 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, 20459091 + 20459092.

It is an arithmetic number, because the mean of its divisors is an integer number (20459092).

Almost surely, 2^40918183 is an apocalyptic number.

40918183 is a deficient number, since it is larger than the sum of its proper divisors (1).

40918183 is an equidigital number, since it uses as much as digits as its factorization.

40918183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 40918183 is about 6396.7322126223. The cubic root of 40918183 is about 344.5922031762.

It can be divided in two parts, 4091 and 8183, that multiplied together give a triangular number (33476653 = T₈₁₈₂).

The spelling of 40918183 in words is "forty million, nine hundred eighteen thousand, one hundred eighty-three".