4085806841064 has 96 divisors (see below), whose sum is σ = 11921217071400. Its totient is φ = 1256719772160.

The previous prime is 4085806841047. The next prime is 4085806841087. The reversal of 4085806841064 is 4601486085804.

It is a happy number.

4085806841064 is a `hidden beast` number, since 40 + 8 + 580 + 6 + 8 + 4 + 10 + 6 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3644700992100 + 441105848964 = 1909110^2 + 664158^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4085806841064.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1827934 + ... + 3393074.

Almost surely, 2^{4085806841064} is an apocalyptic number.

It is an amenable number.

4085806841064 is an abundant number, since it is smaller than the sum of its proper divisors (7835410230336).

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

4085806841064 is a wasteful number, since it uses less digits than its factorization.

4085806841064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567955 (or 1567948 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 54.

The spelling of 4085806841064 in words is "four trillion, eighty-five billion, eight hundred six million, eight hundred forty-one thousand, sixty-four".