2057780182 has 4 divisors (see below), whose sum is σ = 3086670276. Its totient is φ = 1028890090.

The previous prime is 2057780177. The next prime is 2057780183. The reversal of 2057780182 is 2810877502.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057780183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514445044 + ... + 514445047.

It is an arithmetic number, because the mean of its divisors is an integer number (771667569).

Almost surely, 2^2057780182 is an apocalyptic number.

2057780182 is a deficient number, since it is larger than the sum of its proper divisors (1028890094).

2057780182 is a wasteful number, since it uses less digits than its factorization.

2057780182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028890093.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 2057780182 is about 45362.7620631725. The cubic root of 2057780182 is about 1271.9391258627.

The spelling of 2057780182 in words is "two billion, fifty-seven million, seven hundred eighty thousand, one hundred eighty-two".