41428409 has 16 divisors (see below), whose sum is σ = 46823616. Its totient is φ = 36326400.

The previous prime is 41428391. The next prime is 41428411. The reversal of 41428409 is 90482414.

41428409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 41428409 - 2¹⁶ = 41362873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41428459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43274 + ... + 44220.

It is an arithmetic number, because the mean of its divisors is an integer number (2926476).

Almost surely, 2^41428409 is an apocalyptic number.

It is an amenable number.

41428409 is a deficient number, since it is larger than the sum of its proper divisors (5395207).

41428409 is a wasteful number, since it uses less digits than its factorization.

41428409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 41428409 is about 6436.4904256901. The cubic root of 41428409 is about 346.0185790863.

The spelling of 41428409 in words is "forty-one million, four hundred twenty-eight thousand, four hundred nine".