40968817 has 2 divisors, whose sum is σ = 40968818. Its totient is φ = 40968816.

The previous prime is 40968791. The next prime is 40968853. The reversal of 40968817 is 71886904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40335201 + 633616 = 6351^2 + 796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40968817 is a prime.

It is not a weakly prime, because it can be changed into another prime (40968857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20484408 + 20484409.

It is an arithmetic number, because the mean of its divisors is an integer number (20484409).

Almost surely, 2^40968817 is an apocalyptic number.

It is an amenable number.

40968817 is a deficient number, since it is larger than the sum of its proper divisors (1).

40968817 is an equidigital number, since it uses as much as digits as its factorization.

40968817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 40968817 is about 6400.6887910599. The cubic root of 40968817 is about 344.7342825507.

It can be divided in two parts, 409688 and 17, that multiplied together give a palindrome (6964696).

The spelling of 40968817 in words is "forty million, nine hundred sixty-eight thousand, eight hundred seventeen".