6255505728 has 84 divisors (see below), whose sum is σ = 17943279328. Its totient is φ = 2083656960.

The previous prime is 6255505723. The next prime is 6255505741. The reversal of 6255505728 is 8275055526.

6255505728 is a `hidden beast` number, since 6 + 25 + 5 + 50 + 572 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6255505723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1023963 + ... + 1030053.

Almost surely, 2^6255505728 is an apocalyptic number.

It is an amenable number.

6255505728 is an abundant number, since it is smaller than the sum of its proper divisors (11687773600).

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

6255505728 is a wasteful number, since it uses less digits than its factorization.

6255505728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7892 (or 7879 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The square root of 6255505728 is about 79091.7551202399. The cubic root of 6255505728 is about 1842.5564779157.

The spelling of 6255505728 in words is "six billion, two hundred fifty-five million, five hundred five thousand, seven hundred twenty-eight".