41681862644 has 6 divisors (see below), whose sum is σ = 72943259634. Its totient is φ = 20840931320.

The previous prime is 41681862611. The next prime is 41681862671. The reversal of 41681862644 is 44626818614.

It can be written as a sum of positive squares in only one way, i.e., 34514208400 + 7167654244 = 185780^2 + 84662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 41681862592 and 41681862601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210232827 + ... + 5210232834.

It is an arithmetic number, because the mean of its divisors is an integer number (12157209939).

Almost surely, 2^41681862644 is an apocalyptic number.

It is an amenable number.

41681862644 is a deficient number, since it is larger than the sum of its proper divisors (31261396990).

41681862644 is a wasteful number, since it uses less digits than its factorization.

41681862644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10420465665 (or 10420465663 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 50.

The spelling of 41681862644 in words is "forty-one billion, six hundred eighty-one million, eight hundred sixty-two thousand, six hundred forty-four".