40718959 has 2 divisors, whose sum is σ = 40718960. Its totient is φ = 40718958.

The previous prime is 40718933. The next prime is 40718969. The reversal of 40718959 is 95981704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40718959 - 2²³ = 32330351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40718969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20359479 + 20359480.

It is an arithmetic number, because the mean of its divisors is an integer number (20359480).

Almost surely, 2^40718959 is an apocalyptic number.

40718959 is a deficient number, since it is larger than the sum of its proper divisors (1).

40718959 is an equidigital number, since it uses as much as digits as its factorization.

40718959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 40718959 is about 6381.1408854530. The cubic root of 40718959 is about 344.0320385474.

The spelling of 40718959 in words is "forty million, seven hundred eighteen thousand, nine hundred fifty-nine".