4085613688 has 16 divisors (see below), whose sum is σ = 8249797080. Its totient is φ = 1885667808.

The previous prime is 4085613683. The next prime is 4085613709. The reversal of 4085613688 is 8863165804.

It is a super-2 number, since 2×4085613688² = 33384478415145922688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085613683) 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, 19642270 + ... + 19642477.

Almost surely, 2^4085613688 is an apocalyptic number.

It is an amenable number.

4085613688 is an abundant number, since it is smaller than the sum of its proper divisors (4164183392).

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

4085613688 is a wasteful number, since it uses less digits than its factorization.

4085613688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39284766 (or 39284762 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The square root of 4085613688 is about 63918.8054331431. The cubic root of 4085613688 is about 1598.6464709223.

The spelling of 4085613688 in words is "four billion, eighty-five million, six hundred thirteen thousand, six hundred eighty-eight".