41090985 has 24 divisors (see below), whose sum is σ = 76704264. Its totient is φ = 20229120.

The previous prime is 41090983. The next prime is 41090993. The reversal of 41090985 is 58909014.

It can be written as a sum of positive squares in 4 ways, for example, as 9585216 + 31505769 = 3096^2 + 5613^2 .

It is not a de Polignac number, because 41090985 - 2¹ = 41090983 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (41090983) 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 23 ways as a sum of consecutive naturals, for example, 34536 + ... + 35705.

It is an arithmetic number, because the mean of its divisors is an integer number (3196011).

Almost surely, 2^41090985 is an apocalyptic number.

41090985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41090985 is a deficient number, since it is larger than the sum of its proper divisors (35613279).

41090985 is a wasteful number, since it uses less digits than its factorization.

41090985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70265 (or 70262 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 41090985 is about 6410.2250350514. The cubic root of 41090985 is about 345.0766055471.

Adding to 41090985 its reverse (58909014), we get a palindrome (99999999).

The spelling of 41090985 in words is "forty-one million, ninety thousand, nine hundred eighty-five".