41815820 has 12 divisors (see below), whose sum is σ = 87813264. Its totient is φ = 16726320.

The previous prime is 41815799. The next prime is 41815831. The reversal of 41815820 is 2851814.

41815820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1045376 + ... + 1045415.

It is an arithmetic number, because the mean of its divisors is an integer number (7317772).

Almost surely, 2^41815820 is an apocalyptic number.

It is an amenable number.

41815820 is an abundant number, since it is smaller than the sum of its proper divisors (45997444).

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

41815820 is a wasteful number, since it uses less digits than its factorization.

41815820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090800 (or 2090798 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 41815820 is about 6466.5152903245. The cubic root of 41815820 is about 347.0938131353.

It can be divided in two parts, 4181 and 5820, that added together give a palindrome (10001).

The spelling of 41815820 in words is "forty-one million, eight hundred fifteen thousand, eight hundred twenty".