528299040 has 96 divisors (see below), whose sum is σ = 1691516736. Its totient is φ = 138562560.

The previous prime is 528299017. The next prime is 528299059. The reversal of 528299040 is 40992825.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 528299040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20259 + ... + 38301.

It is an arithmetic number, because the mean of its divisors is an integer number (17619966).

Almost surely, 2^528299040 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 528299040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845758368).

528299040 is an abundant number, since it is smaller than the sum of its proper divisors (1163217696).

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

528299040 is a wasteful number, since it uses less digits than its factorization.

528299040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18122 (or 18114 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 528299040 is about 22984.7566878573. The cubic root of 528299040 is about 808.4005627531.

The spelling of 528299040 in words is "five hundred twenty-eight million, two hundred ninety-nine thousand, forty".