40046971 has 2 divisors, whose sum is σ = 40046972. Its totient is φ = 40046970.

The previous prime is 40046969. The next prime is 40046983. The reversal of 40046971 is 17964004.

40046971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40046971 - 2¹ = 40046969 is a prime.

Together with 40046969, 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 (40044971) 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, 20023485 + 20023486.

It is an arithmetic number, because the mean of its divisors is an integer number (20023486).

Almost surely, 2^40046971 is an apocalyptic number.

40046971 is a deficient number, since it is larger than the sum of its proper divisors (1).

40046971 is an equidigital number, since it uses as much as digits as its factorization.

40046971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 40046971 is about 6328.2676144424. The cubic root of 40046971 is about 342.1290024382.

The spelling of 40046971 in words is "forty million, forty-six thousand, nine hundred seventy-one".