40895971 has 2 divisors, whose sum is σ = 40895972. Its totient is φ = 40895970.

The previous prime is 40895957. The next prime is 40895993. The reversal of 40895971 is 17959804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40895971 - 2²¹ = 38798819 is a prime.

It is not a weakly prime, because it can be changed into another prime (40895941) 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, 20447985 + 20447986.

It is an arithmetic number, because the mean of its divisors is an integer number (20447986).

Almost surely, 2^40895971 is an apocalyptic number.

40895971 is a deficient number, since it is larger than the sum of its proper divisors (1).

40895971 is an equidigital number, since it uses as much as digits as its factorization.

40895971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 40895971 is about 6394.9957779501. The cubic root of 40895971 is about 344.5298391540.

The spelling of 40895971 in words is "forty million, eight hundred ninety-five thousand, nine hundred seventy-one".