2564930388 has 12 divisors (see below), whose sum is σ = 5984837600. Its totient is φ = 854976792.

The previous prime is 2564930383. The next prime is 2564930393. The reversal of 2564930388 is 8830394652.

2564930388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2564930383) and next prime (2564930393).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564930383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106872088 + ... + 106872111.

Almost surely, 2^2564930388 is an apocalyptic number.

It is an amenable number.

2564930388 is an abundant number, since it is smaller than the sum of its proper divisors (3419907212).

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

2564930388 is a wasteful number, since it uses less digits than its factorization.

2564930388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213744206 (or 213744204 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The square root of 2564930388 is about 50645.1418005716. The cubic root of 2564930388 is about 1368.8584071599.

The spelling of 2564930388 in words is "two billion, five hundred sixty-four million, nine hundred thirty thousand, three hundred eighty-eight".