41618409 has 32 divisors (see below), whose sum is σ = 65781504. Its totient is φ = 22913280.

The previous prime is 41618389. The next prime is 41618411. The reversal of 41618409 is 90481614.

It is not a de Polignac number, because 41618409 - 2⁸ = 41618153 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 41618409.

It is not an unprimeable number, because it can be changed into a prime (41618429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67587 + ... + 68199.

It is an arithmetic number, because the mean of its divisors is an integer number (2055672).

Almost surely, 2^41618409 is an apocalyptic number.

It is an amenable number.

41618409 is a deficient number, since it is larger than the sum of its proper divisors (24163095).

41618409 is a wasteful number, since it uses less digits than its factorization.

41618409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 41618409 is about 6451.2331379357. The cubic root of 41618409 is about 346.5467454826.

The spelling of 41618409 in words is "forty-one million, six hundred eighteen thousand, four hundred nine".