41640842881 has 16 divisors (see below), whose sum is σ = 45593415360. Its totient is φ = 37716338880.

The previous prime is 41640842869. The next prime is 41640842911. The reversal of 41640842881 is 18824804614.

It is not a de Polignac number, because 41640842881 - 2¹¹ = 41640840833 is a prime.

It is a super-2 number, since 2×41640842881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41640842861) 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 15 ways as a sum of consecutive naturals, for example, 4130515 + ... + 4140583.

It is an arithmetic number, because the mean of its divisors is an integer number (2849588460).

Almost surely, 2^41640842881 is an apocalyptic number.

It is an amenable number.

41640842881 is a deficient number, since it is larger than the sum of its proper divisors (3952572479).

41640842881 is a wasteful number, since it uses less digits than its factorization.

41640842881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11424.

The product of its (nonzero) digits is 393216, while the sum is 46.

The spelling of 41640842881 in words is "forty-one billion, six hundred forty million, eight hundred forty-two thousand, eight hundred eighty-one".