2680805057 has 8 divisors (see below), whose sum is σ = 3225028800. Its totient is φ = 2176894224.

The previous prime is 2680805047. The next prime is 2680805063. The reversal of 2680805057 is 7505080862.

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

It is a cyclic number.

It is not a de Polignac number, because 2680805057 - 2⁸ = 2680804801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2680805047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10078082 + ... + 10078347.

It is an arithmetic number, because the mean of its divisors is an integer number (403128600).

Almost surely, 2^2680805057 is an apocalyptic number.

It is an amenable number.

2680805057 is a deficient number, since it is larger than the sum of its proper divisors (544223743).

2680805057 is a wasteful number, since it uses less digits than its factorization.

2680805057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20156455.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 2680805057 is about 51776.4913546679. The cubic root of 2680805057 is about 1389.1689832857.

The spelling of 2680805057 in words is "two billion, six hundred eighty million, eight hundred five thousand, fifty-seven".