41281818 has 8 divisors (see below), whose sum is σ = 82563648. Its totient is φ = 13760604.

The previous prime is 41281783. The next prime is 41281837. The reversal of 41281818 is 81818214.

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

41281818 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 3440146 + ... + 3440157.

It is an arithmetic number, because the mean of its divisors is an integer number (10320456).

Almost surely, 2^41281818 is an apocalyptic number.

41281818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41281818 is a wasteful number, since it uses less digits than its factorization.

41281818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880308.

The product of its digits is 4096, while the sum is 33.

The square root of 41281818 is about 6425.0928397962. The cubic root of 41281818 is about 345.6099773944.

The spelling of 41281818 in words is "forty-one million, two hundred eighty-one thousand, eight hundred eighteen".