40718933 has 2 divisors, whose sum is σ = 40718934. Its totient is φ = 40718932.

The previous prime is 40718921. The next prime is 40718959. The reversal of 40718933 is 33981704.

40718933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38651089 + 2067844 = 6217^2 + 1438^2 .

It is a cyclic number.

It is not a de Polignac number, because 40718933 - 2⁸ = 40718677 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40718893 and 40718902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40718633) 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, 20359466 + 20359467.

It is an arithmetic number, because the mean of its divisors is an integer number (20359467).

Almost surely, 2^40718933 is an apocalyptic number.

It is an amenable number.

40718933 is a deficient number, since it is larger than the sum of its proper divisors (1).

40718933 is an equidigital number, since it uses as much as digits as its factorization.

40718933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 40718933 is about 6381.1388481994. The cubic root of 40718933 is about 344.0319653233.

The spelling of 40718933 in words is "forty million, seven hundred eighteen thousand, nine hundred thirty-three".