2566234728 has 48 divisors (see below), whose sum is σ = 7359058980. Its totient is φ = 805092864.

The previous prime is 2566234709. The next prime is 2566234747. The reversal of 2566234728 is 8274326652.

2566234728 is a `hidden beast` number, since 2 + 566 + 23 + 47 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (2566234709) and next prime (2566234747).

It can be written as a sum of positive squares in 2 ways, for example, as 2566232964 + 1764 = 50658^2 + 42^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1047075 + ... + 1049522.

Almost surely, 2^2566234728 is an apocalyptic number.

It is an amenable number.

2566234728 is an abundant number, since it is smaller than the sum of its proper divisors (4792824252).

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

2566234728 is a wasteful number, since it uses less digits than its factorization.

2566234728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096626 (or 2096619 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 2566234728 is about 50658.0174108699. The cubic root of 2566234728 is about 1369.0904023070.

The spelling of 2566234728 in words is "two billion, five hundred sixty-six million, two hundred thirty-four thousand, seven hundred twenty-eight".