41845885665 has 32 divisors (see below), whose sum is σ = 70509118080. Its totient is φ = 21133633536.

The previous prime is 41845885661. The next prime is 41845885673. The reversal of 41845885665 is 56658854814.

It is not a de Polignac number, because 41845885665 - 2² = 41845885661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41845885599 and 41845885608.

It is not an unprimeable number, because it can be changed into a prime (41845885661) 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 31 ways as a sum of consecutive naturals, for example, 621489 + ... + 685521.

It is an arithmetic number, because the mean of its divisors is an integer number (2203409940).

Almost surely, 2^41845885665 is an apocalyptic number.

It is an amenable number.

41845885665 is a deficient number, since it is larger than the sum of its proper divisors (28663232415).

41845885665 is a wasteful number, since it uses less digits than its factorization.

41845885665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66353.

The product of its digits is 36864000, while the sum is 60.

The spelling of 41845885665 in words is "forty-one billion, eight hundred forty-five million, eight hundred eighty-five thousand, six hundred sixty-five".