41864665856 has 144 divisors (see below), whose sum is σ = 91510534080. Its totient is φ = 18999214080.

The previous prime is 41864665847. The next prime is 41864665859. The reversal of 41864665856 is 65856646814.

It is a junction number, because it is equal to n+sod(n) for n = 41864665795 and 41864665804.

It is not an unprimeable number, because it can be changed into a prime (41864665859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83229701 + ... + 83230203.

It is an arithmetic number, because the mean of its divisors is an integer number (635489820).

Almost surely, 2^41864665856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41864665856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45755267040).

41864665856 is an abundant number, since it is smaller than the sum of its proper divisors (49645868224).

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

41864665856 is a wasteful number, since it uses less digits than its factorization.

41864665856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 888 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 59.

The spelling of 41864665856 in words is "forty-one billion, eight hundred sixty-four million, six hundred sixty-five thousand, eight hundred fifty-six".