40956841 has 2 divisors, whose sum is σ = 40956842. Its totient is φ = 40956840.

The previous prime is 40956779. The next prime is 40956857. The reversal of 40956841 is 14865904.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38937600 + 2019241 = 6240^2 + 1421^2 .

It is a cyclic number.

It is not a de Polignac number, because 40956841 - 2⁹ = 40956329 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40956841.

It is not a weakly prime, because it can be changed into another prime (40956241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20478420 + 20478421.

It is an arithmetic number, because the mean of its divisors is an integer number (20478421).

Almost surely, 2^40956841 is an apocalyptic number.

It is an amenable number.

40956841 is a deficient number, since it is larger than the sum of its proper divisors (1).

40956841 is an equidigital number, since it uses as much as digits as its factorization.

40956841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 40956841 is about 6399.7531983663. The cubic root of 40956841 is about 344.7006883815.

The spelling of 40956841 in words is "forty million, nine hundred fifty-six thousand, eight hundred forty-one".