2566788630 has 32 divisors (see below), whose sum is σ = 7040335104. Its totient is φ = 586694496.

The previous prime is 2566788619. The next prime is 2566788667. The reversal of 2566788630 is 368876652.

2566788630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6111192 + ... + 6111611.

It is an arithmetic number, because the mean of its divisors is an integer number (220010472).

Almost surely, 2^2566788630 is an apocalyptic number.

2566788630 is an abundant number, since it is smaller than the sum of its proper divisors (4473546474).

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

2566788630 is a wasteful number, since it uses less digits than its factorization.

2566788630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222820.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The square root of 2566788630 is about 50663.4841873316. The cubic root of 2566788630 is about 1369.1888977603.

The spelling of 2566788630 in words is "two billion, five hundred sixty-six million, seven hundred eighty-eight thousand, six hundred thirty".