2566854728 has 64 divisors (see below), whose sum is σ = 5160672000. Its totient is φ = 1194665472.

The previous prime is 2566854727. The next prime is 2566854749. The reversal of 2566854728 is 8274586652.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2566854728.

It is not an unprimeable number, because it can be changed into a prime (2566854727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786476 + ... + 789732.

It is an arithmetic number, because the mean of its divisors is an integer number (80635500).

Almost surely, 2^2566854728 is an apocalyptic number.

It is an amenable number.

2566854728 is an abundant number, since it is smaller than the sum of its proper divisors (2593817272).

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

2566854728 is a wasteful number, since it uses less digits than its factorization.

2566854728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414 (or 3410 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 53.

The square root of 2566854728 is about 50664.1365070007. The cubic root of 2566854728 is about 1369.2006504318.

The spelling of 2566854728 in words is "two billion, five hundred sixty-six million, eight hundred fifty-four thousand, seven hundred twenty-eight".