2056860180 has 72 divisors (see below), whose sum is σ = 6248426184. Its totient is φ = 547680000.

The previous prime is 2056860163. The next prime is 2056860187. The reversal of 2056860180 is 810686502.

It is a happy number.

2056860180 is a `hidden beast` number, since 20 + 568 + 60 + 18 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 878173956 + 1178686224 = 29634^2 + 34332^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056860187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118030 + ... + 134330.

It is an arithmetic number, because the mean of its divisors is an integer number (86783697).

Almost surely, 2^2056860180 is an apocalyptic number.

2056860180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056860180 is an abundant number, since it is smaller than the sum of its proper divisors (4191566004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2056860180 is a wasteful number, since it uses less digits than its factorization.

2056860180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17017 (or 17012 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2056860180 is about 45352.6204314591. The cubic root of 2056860180 is about 1271.7495427731.

The spelling of 2056860180 in words is "two billion, fifty-six million, eight hundred sixty thousand, one hundred eighty".