40115041 has 2 divisors, whose sum is σ = 40115042. Its totient is φ = 40115040.

The previous prime is 40115039. The next prime is 40115057. The reversal of 40115041 is 14051104.

It is an a-pointer prime, because the next prime (40115057) can be obtained adding 40115041 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39955041 + 160000 = 6321^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 40115041 - 2¹ = 40115039 is a prime.

Together with 40115039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40115741) 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, 20057520 + 20057521.

It is an arithmetic number, because the mean of its divisors is an integer number (20057521).

Almost surely, 2^40115041 is an apocalyptic number.

It is an amenable number.

40115041 is a deficient number, since it is larger than the sum of its proper divisors (1).

40115041 is an equidigital number, since it uses as much as digits as its factorization.

40115041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 40115041 is about 6333.6435801204. The cubic root of 40115041 is about 342.3227377614.

Adding to 40115041 its reverse (14051104), we get a palindrome (54166145).

The spelling of 40115041 in words is "forty million, one hundred fifteen thousand, forty-one".