6526225728 has 168 divisors, whose sum is σ = 21163178400. Its totient is φ = 1977592320.

The previous prime is 6526225721. The next prime is 6526225753. The reversal of 6526225728 is 8275226256.

6526225728 is a `hidden beast` number, since 6 + 52 + 6 + 22 + 572 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6526225721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151998 + ... + 190146.

It is an arithmetic number, because the mean of its divisors is an integer number (125971300).

Almost surely, 2^6526225728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6526225728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10581589200).

6526225728 is an abundant number, since it is smaller than the sum of its proper divisors (14636952672).

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

6526225728 is a wasteful number, since it uses less digits than its factorization.

6526225728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38187 (or 38165 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 6526225728 is about 80785.0588165906. The cubic root of 6526225728 is about 1868.7621544710.

The spelling of 6526225728 in words is "six billion, five hundred twenty-six million, two hundred twenty-five thousand, seven hundred twenty-eight".