6532128428 has 24 divisors (see below), whose sum is σ = 13097186592. Its totient is φ = 2792427264.

The previous prime is 6532128391. The next prime is 6532128457. The reversal of 6532128428 is 8248212356.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282701 + ... + 304932.

It is an arithmetic number, because the mean of its divisors is an integer number (545716108).

Almost surely, 2^6532128428 is an apocalyptic number.

It is an amenable number.

6532128428 is an abundant number, since it is smaller than the sum of its proper divisors (6565058164).

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

6532128428 is a wasteful number, since it uses less digits than its factorization.

6532128428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588041 (or 588039 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 6532128428 is about 80821.5839240979. The cubic root of 6532128428 is about 1869.3253906039.

The spelling of 6532128428 in words is "six billion, five hundred thirty-two million, one hundred twenty-eight thousand, four hundred twenty-eight".