528458028 has 72 divisors (see below), whose sum is σ = 1473308928. Its totient is φ = 144147168.

The previous prime is 528458027. The next prime is 528458053. The reversal of 528458028 is 820854825.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (528458027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1010175 + ... + 1010697.

It is an arithmetic number, because the mean of its divisors is an integer number (20462624).

Almost surely, 2^528458028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528458028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736654464).

528458028 is an abundant number, since it is smaller than the sum of its proper divisors (944850900).

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

528458028 is a wasteful number, since it uses less digits than its factorization.

528458028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 42.

The square root of 528458028 is about 22988.2149807244. The cubic root of 528458028 is about 808.4816488351.

The spelling of 528458028 in words is "five hundred twenty-eight million, four hundred fifty-eight thousand, twenty-eight".