2773631328 has 192 divisors, whose sum is σ = 8352046080. Its totient is φ = 798400512.

The previous prime is 2773631327. The next prime is 2773631339. The reversal of 2773631328 is 8231363772.

It is a self number, because there is not a number n which added to its sum of digits gives 2773631328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773631327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5070351 + ... + 5070897.

It is an arithmetic number, because the mean of its divisors is an integer number (43500240).

Almost surely, 2^2773631328 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 2773631328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4176023040).

2773631328 is an abundant number, since it is smaller than the sum of its proper divisors (5578414752).

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

2773631328 is a wasteful number, since it uses less digits than its factorization.

2773631328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 821 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 2773631328 is about 52665.2763023228. The cubic root of 2773631328 is about 1405.0213102816.

The spelling of 2773631328 in words is "two billion, seven hundred seventy-three million, six hundred thirty-one thousand, three hundred twenty-eight".