2832780528256 has 32 divisors (see below), whose sum is σ = 6449634240480. Its totient is φ = 1214048797440.

The previous prime is 2832780528241. The next prime is 2832780528269. The reversal of 2832780528256 is 6528250872382.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2832780528256.

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, 1580791810 + ... + 1580793601.

It is an arithmetic number, because the mean of its divisors is an integer number (201551070015).

Almost surely, 2^{2832780528256} is an apocalyptic number.

It is an amenable number.

2832780528256 is an abundant number, since it is smaller than the sum of its proper divisors (3616853712224).

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

2832780528256 is an equidigital number, since it uses as much as digits as its factorization.

2832780528256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161585432 (or 3161585420 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 58.

The spelling of 2832780528256 in words is "two trillion, eight hundred thirty-two billion, seven hundred eighty million, five hundred twenty-eight thousand, two hundred fifty-six".