41581406 has 16 divisors (see below), whose sum is σ = 63628416. Its totient is φ = 20375256.

The previous prime is 41581403. The next prime is 41581411. The reversal of 41581406 is 60418514.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41581403) 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, 29735 + ... + 31101.

It is an arithmetic number, because the mean of its divisors is an integer number (3976776).

Almost surely, 2^41581406 is an apocalyptic number.

41581406 is a deficient number, since it is larger than the sum of its proper divisors (22047010).

41581406 is a wasteful number, since it uses less digits than its factorization.

41581406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 41581406 is about 6448.3645988731. The cubic root of 41581406 is about 346.4440099239. Note that the first 3 decimals are identical.

The spelling of 41581406 in words is "forty-one million, five hundred eighty-one thousand, four hundred six".