40418159 has 2 divisors, whose sum is σ = 40418160. Its totient is φ = 40418158.

The previous prime is 40418143. The next prime is 40418177. The reversal of 40418159 is 95181404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40418159 - 2⁴ = 40418143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40418459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20209079 + 20209080.

It is an arithmetic number, because the mean of its divisors is an integer number (20209080).

Almost surely, 2^40418159 is an apocalyptic number.

40418159 is a deficient number, since it is larger than the sum of its proper divisors (1).

40418159 is an equidigital number, since it uses as much as digits as its factorization.

40418159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 40418159 is about 6357.5277427629. The cubic root of 40418159 is about 343.1827968793.

The spelling of 40418159 in words is "forty million, four hundred eighteen thousand, one hundred fifty-nine".