40841 has 2 divisors, whose sum is σ = 40842. Its totient is φ = 40840.

The previous prime is 40829. The next prime is 40847. The reversal of 40841 is 14804.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40000 + 841 = 200^2 + 29^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40841 is a prime.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 40841.

It is not a weakly prime, because it can be changed into another prime (40847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20420 + 20421.

It is an arithmetic number, because the mean of its divisors is an integer number (20421).

2⁴⁰⁸⁴¹ is an apocalyptic number.

It is an amenable number.

40841 is a deficient number, since it is larger than the sum of its proper divisors (1).

40841 is an equidigital number, since it uses as much as digits as its factorization.

40841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 40841 is about 202.0915634063. The cubic root of 40841 is about 34.4375401431.

The spelling of 40841 in words is "forty thousand, eight hundred forty-one".