41581996456 has 128 divisors (see below), whose sum is σ = 104773939200. Its totient is φ = 14941428480.

The previous prime is 41581996411. The next prime is 41581996483. The reversal of 41581996456 is 65469918514.

It is a self number, because there is not a number n which added to its sum of digits gives 41581996456.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17448241 + ... + 17450623.

It is an arithmetic number, because the mean of its divisors is an integer number (818546400).

Almost surely, 2^41581996456 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 41581996456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52386969600).

41581996456 is an abundant number, since it is smaller than the sum of its proper divisors (63191942744).

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

41581996456 is a wasteful number, since it uses less digits than its factorization.

41581996456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4599 (or 4595 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 58.

The spelling of 41581996456 in words is "forty-one billion, five hundred eighty-one million, nine hundred ninety-six thousand, four hundred fifty-six".