40671041 has 2 divisors, whose sum is σ = 40671042. Its totient is φ = 40671040.

The previous prime is 40671031. The next prime is 40671047. The reversal of 40671041 is 14017604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39325441 + 1345600 = 6271^2 + 1160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40671041 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40670998 and 40671016.

It is not a weakly prime, because it can be changed into another prime (40671047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20335520 + 20335521.

It is an arithmetic number, because the mean of its divisors is an integer number (20335521).

Almost surely, 2^40671041 is an apocalyptic number.

It is an amenable number.

40671041 is a deficient number, since it is larger than the sum of its proper divisors (1).

40671041 is an equidigital number, since it uses as much as digits as its factorization.

40671041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 40671041 is about 6377.3851224463. The cubic root of 40671041 is about 343.8970334745.

Adding to 40671041 its reverse (14017604), we get a palindrome (54688645).

The spelling of 40671041 in words is "forty million, six hundred seventy-one thousand, forty-one".