2564527630 has 64 divisors (see below), whose sum is σ = 5396544000. Its totient is φ = 859287168.

The previous prime is 2564527591. The next prime is 2564527631. The reversal of 2564527630 is 367254652.

2564527630 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 not an unprimeable number, because it can be changed into a prime (2564527631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 737536 + ... + 741004.

It is an arithmetic number, because the mean of its divisors is an integer number (84321000).

Almost surely, 2^2564527630 is an apocalyptic number.

2564527630 is an abundant number, since it is smaller than the sum of its proper divisors (2832016370).

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

2564527630 is a wasteful number, since it uses less digits than its factorization.

2564527630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721.

The product of its (nonzero) digits is 302400, while the sum is 40.

The square root of 2564527630 is about 50641.1653696871. The cubic root of 2564527630 is about 1368.7867551134.

The spelling of 2564527630 in words is "two billion, five hundred sixty-four million, five hundred twenty-seven thousand, six hundred thirty".