41805317654864 has 40 divisors (see below), whose sum is σ = 82949577553920. Its totient is φ = 20399773943808.

The previous prime is 41805317654851. The next prime is 41805317654873. The reversal of 41805317654864 is 46845671350814.

It is a junction number, because it is equal to n+sod(n) for n = 41805317654797 and 41805317654806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24127184 + ... + 25801775.

It is an arithmetic number, because the mean of its divisors is an integer number (2073739438848).

Almost surely, 2^{41805317654864} is an apocalyptic number.

It is an amenable number.

41805317654864 is a deficient number, since it is larger than the sum of its proper divisors (41144259899056).

41805317654864 is a wasteful number, since it uses less digits than its factorization.

41805317654864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49930227 (or 49930221 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 62.

The spelling of 41805317654864 in words is "forty-one trillion, eight hundred five billion, three hundred seventeen million, six hundred fifty-four thousand, eight hundred sixty-four".