40606679 has 2 divisors, whose sum is σ = 40606680. Its totient is φ = 40606678.

The previous prime is 40606669. The next prime is 40606681. The reversal of 40606679 is 97660604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40606679 - 2¹⁶ = 40541143 is a prime.

Together with 40606681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40606609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20303339 + 20303340.

It is an arithmetic number, because the mean of its divisors is an integer number (20303340).

Almost surely, 2^40606679 is an apocalyptic number.

40606679 is a deficient number, since it is larger than the sum of its proper divisors (1).

40606679 is an equidigital number, since it uses as much as digits as its factorization.

40606679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 40606679 is about 6372.3370124312. The cubic root of 40606679 is about 343.7155317946.

The spelling of 40606679 in words is "forty million, six hundred six thousand, six hundred seventy-nine".