2055680805 has 32 divisors (see below), whose sum is σ = 3405916800. Its totient is φ = 1057496832.

The previous prime is 2055680779. The next prime is 2055680819. The reversal of 2055680805 is 5080865502.

2055680805 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2055680805 - 2¹⁸ = 2055418661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 619962 + ... + 623268.

It is an arithmetic number, because the mean of its divisors is an integer number (106434900).

Almost surely, 2^2055680805 is an apocalyptic number.

It is an amenable number.

2055680805 is a deficient number, since it is larger than the sum of its proper divisors (1350235995).

2055680805 is a wasteful number, since it uses less digits than its factorization.

2055680805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 2055680805 is about 45339.6162864222. The cubic root of 2055680805 is about 1271.5064284718.

The spelling of 2055680805 in words is "two billion, fifty-five million, six hundred eighty thousand, eight hundred five".