41680385 has 8 divisors (see below), whose sum is σ = 50836776. Its totient is φ = 32797440.

The previous prime is 41680381. The next prime is 41680411. The reversal of 41680385 is 58308614.

It can be written as a sum of positive squares in 4 ways, for example, as 361201 + 41319184 = 601^2 + 6428^2 .

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

It is not a de Polignac number, because 41680385 - 2² = 41680381 is a prime.

It is a super-3 number, since 3×41680385³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41680381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68024 + ... + 68633.

It is an arithmetic number, because the mean of its divisors is an integer number (6354597).

Almost surely, 2^41680385 is an apocalyptic number.

It is an amenable number.

41680385 is a deficient number, since it is larger than the sum of its proper divisors (9156391).

41680385 is a wasteful number, since it uses less digits than its factorization.

41680385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136723.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 41680385 is about 6456.0347737601. The cubic root of 41680385 is about 346.7186800449.

Adding to 41680385 its reverse (58308614), we get a palindrome (99988999).

The spelling of 41680385 in words is "forty-one million, six hundred eighty thousand, three hundred eighty-five".