41821660528 has 20 divisors (see below), whose sum is σ = 81054131400. Its totient is φ = 20904465344.

The previous prime is 41821660523. The next prime is 41821660549. The reversal of 41821660528 is 82506612814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41821660523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343375 + ... + 448942.

It is an arithmetic number, because the mean of its divisors is an integer number (4052706570).

Almost surely, 2^41821660528 is an apocalyptic number.

It is an amenable number.

41821660528 is a deficient number, since it is larger than the sum of its proper divisors (39232470872).

41821660528 is a wasteful number, since it uses less digits than its factorization.

41821660528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795624 (or 795618 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 41821660528 in words is "forty-one billion, eight hundred twenty-one million, six hundred sixty thousand, five hundred twenty-eight".