2604564528 has 40 divisors (see below), whose sum is σ = 7021003008. Its totient is φ = 830440512.

The previous prime is 2604564527. The next prime is 2604564533. The reversal of 2604564528 is 8254654062.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2604564528.

It is not an unprimeable number, because it can be changed into a prime (2604564527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178500 + ... + 1180707.

Almost surely, 2^2604564528 is an apocalyptic number.

It is an amenable number.

2604564528 is an abundant number, since it is smaller than the sum of its proper divisors (4416438480).

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

2604564528 is a wasteful number, since it uses less digits than its factorization.

2604564528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359241 (or 2359235 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 2604564528 is about 51034.9343881228. The cubic root of 2604564528 is about 1375.8730812944.

The spelling of 2604564528 in words is "two billion, six hundred four million, five hundred sixty-four thousand, five hundred twenty-eight".