2805725250 has 256 divisors, whose sum is σ = 8302694400. Its totient is φ = 699192000.

The previous prime is 2805725249. The next prime is 2805725261. The reversal of 2805725250 is 525275082.

2805725250 is a `hidden beast` number, since 2 + 80 + 57 + 2 + 525 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16800667 + ... + 16800833.

It is an arithmetic number, because the mean of its divisors is an integer number (32432400).

Almost surely, 2^2805725250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2805725250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4151347200).

2805725250 is an abundant number, since it is smaller than the sum of its proper divisors (5496969150).

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

2805725250 is a wasteful number, since it uses less digits than its factorization.

2805725250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 2805725250 is about 52969.0971227564. The cubic root of 2805725250 is about 1410.4197482769.

The spelling of 2805725250 in words is "two billion, eight hundred five million, seven hundred twenty-five thousand, two hundred fifty".