40919771 has 2 divisors, whose sum is σ = 40919772. Its totient is φ = 40919770.

The previous prime is 40919759. The next prime is 40919779. The reversal of 40919771 is 17791904.

40919771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40919771 - 2⁶ = 40919707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40919779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20459885 + 20459886.

It is an arithmetic number, because the mean of its divisors is an integer number (20459886).

Almost surely, 2^40919771 is an apocalyptic number.

40919771 is a deficient number, since it is larger than the sum of its proper divisors (1).

40919771 is an equidigital number, since it uses as much as digits as its factorization.

40919771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 40919771 is about 6396.8563372957. The cubic root of 40919771 is about 344.5966608956.

The spelling of 40919771 in words is "forty million, nine hundred nineteen thousand, seven hundred seventy-one".