41805290 has 16 divisors (see below), whose sum is σ = 75534120. Its totient is φ = 16658880.

The previous prime is 41805289. The next prime is 41805293. The reversal of 41805290 is 9250814.

It can be written as a sum of positive squares in 4 ways, for example, as 29365561 + 12439729 = 5419^2 + 3527^2 .

It is not an unprimeable number, because it can be changed into a prime (41805293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5081 + ... + 10460.

Almost surely, 2^41805290 is an apocalyptic number.

41805290 is a deficient number, since it is larger than the sum of its proper divisors (33728830).

41805290 is a wasteful number, since it uses less digits than its factorization.

41805290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15817.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 41805290 is about 6465.7010447437. The cubic root of 41805290 is about 347.0646758002.

The spelling of 41805290 in words is "forty-one million, eight hundred five thousand, two hundred ninety".