2773345280 has 44 divisors (see below), whose sum is σ = 6652790940. Its totient is φ = 1109336064.

The previous prime is 2773345231. The next prime is 2773345291. The reversal of 2773345280 is 825433772.

It can be written as a sum of positive squares in 2 ways, for example, as 2099838976 + 673506304 = 45824^2 + 25952^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265715 + ... + 275954.

Almost surely, 2^2773345280 is an apocalyptic number.

2773345280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2773345280 is an abundant number, since it is smaller than the sum of its proper divisors (3879445660).

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

2773345280 is an equidigital number, since it uses as much as digits as its factorization.

2773345280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541694 (or 541676 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The square root of 2773345280 is about 52662.5605150376. The cubic root of 2773345280 is about 1404.9730080975.

The spelling of 2773345280 in words is "two billion, seven hundred seventy-three million, three hundred forty-five thousand, two hundred eighty".