40959929 has 2 divisors, whose sum is σ = 40959930. Its totient is φ = 40959928.

The previous prime is 40959871. The next prime is 40959931. The reversal of 40959929 is 92995904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34339600 + 6620329 = 5860^2 + 2573^2 .

It is a cyclic number.

It is not a de Polignac number, because 40959929 - 2⁸ = 40959673 is a prime.

Together with 40959931, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40959949) 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, 20479964 + 20479965.

It is an arithmetic number, because the mean of its divisors is an integer number (20479965).

Almost surely, 2^40959929 is an apocalyptic number.

It is an amenable number.

40959929 is a deficient number, since it is larger than the sum of its proper divisors (1).

40959929 is an equidigital number, since it uses as much as digits as its factorization.

40959929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 40959929 is about 6399.9944531226. The cubic root of 40959929 is about 344.7093512320.

The spelling of 40959929 in words is "forty million, nine hundred fifty-nine thousand, nine hundred twenty-nine".