528378268 has 24 divisors (see below), whose sum is σ = 1018718064. Its totient is φ = 237792000.

The previous prime is 528378259. The next prime is 528378269. The reversal of 528378268 is 862873825.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528378269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55005 + ... + 63892.

It is an arithmetic number, because the mean of its divisors is an integer number (42446586).

Almost surely, 2^528378268 is an apocalyptic number.

It is an amenable number.

528378268 is a deficient number, since it is larger than the sum of its proper divisors (490339796).

528378268 is a wasteful number, since it uses less digits than its factorization.

528378268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119013 (or 119011 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 528378268 is about 22986.4801133188. The cubic root of 528378268 is about 808.4409721636.

The spelling of 528378268 in words is "five hundred twenty-eight million, three hundred seventy-eight thousand, two hundred sixty-eight".