4155680805 has 8 divisors (see below), whose sum is σ = 6649089312. Its totient is φ = 2216363088.

The previous prime is 4155680801. The next prime is 4155680813. The reversal of 4155680805 is 5080865514.

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

It is not a de Polignac number, because 4155680805 - 2² = 4155680801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155680801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138522679 + ... + 138522708.

It is an arithmetic number, because the mean of its divisors is an integer number (831136164).

Almost surely, 2^4155680805 is an apocalyptic number.

It is an amenable number.

4155680805 is a deficient number, since it is larger than the sum of its proper divisors (2493408507).

4155680805 is a wasteful number, since it uses less digits than its factorization.

4155680805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277045395.

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 4155680805 is about 64464.5701529142. The cubic root of 4155680805 is about 1607.7334985525.

The spelling of 4155680805 in words is "four billion, one hundred fifty-five million, six hundred eighty thousand, eight hundred five".