41680645 has 8 divisors (see below), whose sum is σ = 50178456. Its totient is φ = 33236736.

The previous prime is 41680607. The next prime is 41680693. The reversal of 41680645 is 54608614.

It can be written as a sum of positive squares in 4 ways, for example, as 3944196 + 37736449 = 1986^2 + 6143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41680645 - 2²⁵ = 8126213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41680645.

It is a congruent number.

It is an unprimeable number.

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, 11752 + ... + 14881.

It is an arithmetic number, because the mean of its divisors is an integer number (6272307).

Almost surely, 2^41680645 is an apocalyptic number.

It is an amenable number.

41680645 is a deficient number, since it is larger than the sum of its proper divisors (8497811).

41680645 is a wasteful number, since it uses less digits than its factorization.

41680645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26951.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 41680645 is about 6456.0549099276. The cubic root of 41680645 is about 346.7194009809.

The spelling of 41680645 in words is "forty-one million, six hundred eighty thousand, six hundred forty-five".