40955879 has 2 divisors, whose sum is σ = 40955880. Its totient is φ = 40955878.

The previous prime is 40955861. The next prime is 40955911. The reversal of 40955879 is 97855904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40955879 - 2²⁰ = 39907303 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40955819) 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, 20477939 + 20477940.

It is an arithmetic number, because the mean of its divisors is an integer number (20477940).

Almost surely, 2^40955879 is an apocalyptic number.

40955879 is a deficient number, since it is larger than the sum of its proper divisors (1).

40955879 is an equidigital number, since it uses as much as digits as its factorization.

40955879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 40955879 is about 6399.6780387766. The cubic root of 40955879 is about 344.6979895677.

The spelling of 40955879 in words is "forty million, nine hundred fifty-five thousand, eight hundred seventy-nine".