2773796256 has 432 divisors, whose sum is σ = 10101454272. Its totient is φ = 706590720.

The previous prime is 2773796239. The next prime is 2773796261. The reversal of 2773796256 is 6526973772.

2773796256 is a `hidden beast` number, since 2 + 7 + 7 + 3 + 7 + 9 + 625 + 6 = 666.

Its product of digits (6667920) is a multiple of the sum of its prime divisors (243).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20246620 + ... + 20246756.

It is an arithmetic number, because the mean of its divisors is an integer number (23382996).

Almost surely, 2^2773796256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2773796256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5050727136).

2773796256 is an abundant number, since it is smaller than the sum of its proper divisors (7327658016).

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

2773796256 is a wasteful number, since it uses less digits than its factorization.

2773796256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 243 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 54.

The square root of 2773796256 is about 52666.8420925348. The cubic root of 2773796256 is about 1405.0491585828.

The spelling of 2773796256 in words is "two billion, seven hundred seventy-three million, seven hundred ninety-six thousand, two hundred fifty-six".