40559683 has 2 divisors, whose sum is σ = 40559684. Its totient is φ = 40559682.

The previous prime is 40559669. The next prime is 40559689. The reversal of 40559683 is 38695504.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40559683 is a prime.

It is not a weakly prime, because it can be changed into another prime (40559689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20279841 + 20279842.

It is an arithmetic number, because the mean of its divisors is an integer number (20279842).

Almost surely, 2^40559683 is an apocalyptic number.

40559683 is a deficient number, since it is larger than the sum of its proper divisors (1).

40559683 is an equidigital number, since it uses as much as digits as its factorization.

40559683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 40559683 is about 6368.6484437438. The cubic root of 40559683 is about 343.5828812785.

The spelling of 40559683 in words is "forty million, five hundred fifty-nine thousand, six hundred eighty-three".