528366720 has 128 divisors (see below), whose sum is σ = 1924813440. Its totient is φ = 120766464.

The previous prime is 528366719. The next prime is 528366721. The reversal of 528366720 is 27663825.

It is an interprime number because it is at equal distance from previous prime (528366719) and next prime (528366721).

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (528366721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6217 + ... + 33096.

It is an arithmetic number, because the mean of its divisors is an integer number (15037605).

Almost surely, 2^528366720 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 528366720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962406720).

528366720 is an abundant number, since it is smaller than the sum of its proper divisors (1396446720).

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

528366720 is a wasteful number, since it uses less digits than its factorization.

528366720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39342 (or 39330 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 528366720 is about 22986.2289208126. The cubic root of 528366720 is about 808.4350824788.

The spelling of 528366720 in words is "five hundred twenty-eight million, three hundred sixty-six thousand, seven hundred twenty".