528742080 has 140 divisors (see below), whose sum is σ = 1880920800. Its totient is φ = 140990976.

The previous prime is 528742079. The next prime is 528742103. The reversal of 528742080 is 80247825.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15721 + ... + 36119.

Almost surely, 2^528742080 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 528742080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940460400).

528742080 is an abundant number, since it is smaller than the sum of its proper divisors (1352178720).

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

528742080 is a wasteful number, since it uses less digits than its factorization.

528742080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20428 (or 20409 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 528742080 is about 22994.3923598777. The cubic root of 528742080 is about 808.6264788139.

The spelling of 528742080 in words is "five hundred twenty-eight million, seven hundred forty-two thousand, eighty".