528278432 has 48 divisors (see below), whose sum is σ = 1194328800. Its totient is φ = 227485440.

The previous prime is 528278381. The next prime is 528278459. The reversal of 528278432 is 234872825.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 528278432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32807 + ... + 46182.

It is an arithmetic number, because the mean of its divisors is an integer number (24881850).

Almost surely, 2^528278432 is an apocalyptic number.

It is an amenable number.

528278432 is an abundant number, since it is smaller than the sum of its proper divisors (666050368).

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

528278432 is a wasteful number, since it uses less digits than its factorization.

528278432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79029 (or 79021 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 528278432 is about 22984.3083863753. The cubic root of 528278432 is about 808.3900511967.

The spelling of 528278432 in words is "five hundred twenty-eight million, two hundred seventy-eight thousand, four hundred thirty-two".