2804813256 has 128 divisors (see below), whose sum is σ = 8130170880. Its totient is φ = 789820416.

The previous prime is 2804813251. The next prime is 2804813267. The reversal of 2804813256 is 6523184082.

It is not an unprimeable number, because it can be changed into a prime (2804813251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6057681 + ... + 6058143.

It is an arithmetic number, because the mean of its divisors is an integer number (63516960).

Almost surely, 2^2804813256 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 2804813256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4065085440).

2804813256 is an abundant number, since it is smaller than the sum of its proper divisors (5325357624).

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

2804813256 is a wasteful number, since it uses less digits than its factorization.

2804813256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2804813256 is about 52960.4876865763. The cubic root of 2804813256 is about 1410.2669139082.

The spelling of 2804813256 in words is "two billion, eight hundred four million, eight hundred thirteen thousand, two hundred fifty-six".