4081805870 has 8 divisors (see below), whose sum is σ = 7347250584. Its totient is φ = 1632722344.

The previous prime is 4081805863. The next prime is 4081805887. The reversal of 4081805870 is 785081804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4081805870² = 33322278320732913800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 204090284 + ... + 204090303.

It is an arithmetic number, because the mean of its divisors is an integer number (918406323).

Almost surely, 2^4081805870 is an apocalyptic number.

4081805870 is a deficient number, since it is larger than the sum of its proper divisors (3265444714).

4081805870 is a wasteful number, since it uses less digits than its factorization.

4081805870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408180594.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 4081805870 is about 63889.0121225865. The cubic root of 4081805870 is about 1598.1496669818.

The spelling of 4081805870 in words is "four billion, eighty-one million, eight hundred five thousand, eight hundred seventy".