41809616 has 20 divisors (see below), whose sum is σ = 81216900. Its totient is φ = 20850432.

The previous prime is 41809597. The next prime is 41809637. The reversal of 41809616 is 61690814.

It can be written as a sum of positive squares in 2 ways, for example, as 15840400 + 25969216 = 3980^2 + 5096^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3350 + ... + 9738.

It is an arithmetic number, because the mean of its divisors is an integer number (4060845).

Almost surely, 2^41809616 is an apocalyptic number.

It is an amenable number.

41809616 is a deficient number, since it is larger than the sum of its proper divisors (39407284).

41809616 is a wasteful number, since it uses less digits than its factorization.

41809616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6806 (or 6800 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 41809616 is about 6466.0355705795. The cubic root of 41809616 is about 347.0766467732.

The spelling of 41809616 in words is "forty-one million, eight hundred nine thousand, six hundred sixteen".