40417361 has 2 divisors, whose sum is σ = 40417362. Its totient is φ = 40417360.

The previous prime is 40417331. The next prime is 40417367. The reversal of 40417361 is 16371404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28686736 + 11730625 = 5356^2 + 3425^2 .

It is a cyclic number.

It is not a de Polignac number, because 40417361 - 2¹⁴ = 40400977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40417361.

It is not a weakly prime, because it can be changed into another prime (40417367) 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, 20208680 + 20208681.

It is an arithmetic number, because the mean of its divisors is an integer number (20208681).

Almost surely, 2^40417361 is an apocalyptic number.

It is an amenable number.

40417361 is a deficient number, since it is larger than the sum of its proper divisors (1).

40417361 is an equidigital number, since it uses as much as digits as its factorization.

40417361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 40417361 is about 6357.4649822079. The cubic root of 40417361 is about 343.1805383097.

Adding to 40417361 its reverse (16371404), we get a palindrome (56788765).

The spelling of 40417361 in words is "forty million, four hundred seventeen thousand, three hundred sixty-one".