41865307816 has 16 divisors (see below), whose sum is σ = 81204261300. Its totient is φ = 20210838144.

The previous prime is 41865307723. The next prime is 41865307843. The reversal of 41865307816 is 61870356814.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41149745316 + 715562500 = 202854^2 + 26750^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 41865307816.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90226725 + ... + 90227188.

Almost surely, 2^41865307816 is an apocalyptic number.

It is an amenable number.

41865307816 is a deficient number, since it is larger than the sum of its proper divisors (39338953484).

41865307816 is a wasteful number, since it uses less digits than its factorization.

41865307816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180453948 (or 180453944 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 41865307816 in words is "forty-one billion, eight hundred sixty-five million, three hundred seven thousand, eight hundred sixteen".