2804681328 has 20 divisors (see below), whose sum is σ = 7245426888. Its totient is φ = 934893760.

The previous prime is 2804681323. The next prime is 2804681329. The reversal of 2804681328 is 8231864082.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2804681328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804681323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 29215383 + ... + 29215478.

Almost surely, 2^2804681328 is an apocalyptic number.

It is an amenable number.

2804681328 is an abundant number, since it is smaller than the sum of its proper divisors (4440745560).

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

2804681328 is a wasteful number, since it uses less digits than its factorization.

2804681328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58430872 (or 58430866 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 2804681328 is about 52959.2421395926. The cubic root of 2804681328 is about 1410.2448023220.

The spelling of 2804681328 in words is "two billion, eight hundred four million, six hundred eighty-one thousand, three hundred twenty-eight".