41586861728 has 24 divisors (see below), whose sum is σ = 86690260692. Its totient is φ = 19570287616.

The previous prime is 41586861721. The next prime is 41586861733. The reversal of 41586861728 is 82716868514.

It can be written as a sum of positive squares in 2 ways, for example, as 35656013584 + 5930848144 = 188828^2 + 77012^2 .

It is a super-2 number, since 2×41586861728² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (41586861721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38222675 + ... + 38223762.

Almost surely, 2^41586861728 is an apocalyptic number.

It is an amenable number.

41586861728 is an abundant number, since it is smaller than the sum of its proper divisors (45103398964).

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

41586861728 is a wasteful number, since it uses less digits than its factorization.

41586861728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76446464 (or 76446456 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 56.

The spelling of 41586861728 in words is "forty-one billion, five hundred eighty-six million, eight hundred sixty-one thousand, seven hundred twenty-eight".