2566580628 has 24 divisors (see below), whose sum is σ = 6150545632. Its totient is φ = 832404384.

The previous prime is 2566580623. The next prime is 2566580657. The reversal of 2566580628 is 8260856652.

It is a super-2 number, since 2×2566580628² = 13174672240049748768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566580623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2889850 + ... + 2890737.

Almost surely, 2^2566580628 is an apocalyptic number.

It is an amenable number.

2566580628 is an abundant number, since it is smaller than the sum of its proper divisors (3583965004).

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

2566580628 is a wasteful number, since it uses less digits than its factorization.

2566580628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5780631 (or 5780629 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The square root of 2566580628 is about 50661.4313654875. The cubic root of 2566580628 is about 1369.1519122811.

The spelling of 2566580628 in words is "two billion, five hundred sixty-six million, five hundred eighty thousand, six hundred twenty-eight".