528000000 has 308 divisors, whose sum is σ = 1919037936. Its totient is φ = 128000000.

The previous prime is 527999993. The next prime is 528000017. The reversal of 528000000 is 825.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 47999995 + ... + 48000005.

Almost surely, 2^528000000 is an apocalyptic number.

528000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959518968).

528000000 is an abundant number, since it is smaller than the sum of its proper divisors (1391037936).

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

528000000 is an frugal number, since it uses more digits than its factorization.

528000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 528000000 is about 22978.2505861521. The cubic root of 528000000 is about 808.2480041244.

Adding to 528000000 its reverse (825), we get a palindrome (528000825).

Multiplying 528000000 by its reverse (825), we get a square (435600000000 = 660000²).

528000000 divided by its reverse (825) gives a square (640000 = 800²).

The spelling of 528000000 in words is "five hundred twenty-eight million", and thus it is an aban number.