2775028180 has 12 divisors (see below), whose sum is σ = 5827559220. Its totient is φ = 1110011264.

The previous prime is 2775028169. The next prime is 2775028187. The reversal of 2775028180 is 818205772.

2775028180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 603095364 + 2171932816 = 24558^2 + 46604^2 .

It is a super-2 number, since 2×2775028180² = 15401562799588224800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775028187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69375685 + ... + 69375724.

It is an arithmetic number, because the mean of its divisors is an integer number (485629935).

Almost surely, 2^2775028180 is an apocalyptic number.

2775028180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2775028180 is an abundant number, since it is smaller than the sum of its proper divisors (3052531040).

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

2775028180 is a wasteful number, since it uses less digits than its factorization.

2775028180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138751418 (or 138751416 counting only the distinct ones).

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

The square root of 2775028180 is about 52678.5362363079. The cubic root of 2775028180 is about 1405.2571355973.

The spelling of 2775028180 in words is "two billion, seven hundred seventy-five million, twenty-eight thousand, one hundred eighty".