528005505028 has 6 divisors (see below), whose sum is σ = 924009633806. Its totient is φ = 264002752512.

The previous prime is 528005504981. The next prime is 528005505029. The reversal of 528005505028 is 820505500825.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 408689146944 + 119316358084 = 639288^2 + 345422^2 .

It is not an unprimeable number, because it can be changed into a prime (528005505029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66000688125 + ... + 66000688132.

Almost surely, 2^528005505028 is an apocalyptic number.

It is an amenable number.

528005505028 is a deficient number, since it is larger than the sum of its proper divisors (396004128778).

528005505028 is a wasteful number, since it uses less digits than its factorization.

528005505028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132001376261 (or 132001376259 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 40.

The spelling of 528005505028 in words is "five hundred twenty-eight billion, five million, five hundred five thousand, twenty-eight".