528612768 has 36 divisors (see below), whose sum is σ = 1503243378. Its totient is φ = 176204160.

The previous prime is 528612761. The next prime is 528612769. The reversal of 528612768 is 867216825.

528612768 is a `hidden beast` number, since 5 + 28 + 612 + 7 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 520387344 + 8225424 = 22812^2 + 2868^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (528612761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 917443 + ... + 918018.

Almost surely, 2^528612768 is an apocalyptic number.

It is an amenable number.

528612768 is an abundant number, since it is smaller than the sum of its proper divisors (974630610).

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

528612768 is a wasteful number, since it uses less digits than its factorization.

528612768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835477 (or 1835466 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 528612768 is about 22991.5803719536. The cubic root of 528612768 is about 808.5605527624.

The spelling of 528612768 in words is "five hundred twenty-eight million, six hundred twelve thousand, seven hundred sixty-eight".