525728880 has 100 divisors (see below), whose sum is σ = 1825956792. Its totient is φ = 140192640.

The previous prime is 525728867. The next prime is 525728891. The reversal of 525728880 is 88827525.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 34086 + ... + 47045.

Almost surely, 2^525728880 is an apocalyptic number.

It is an amenable number.

525728880 is an abundant number, since it is smaller than the sum of its proper divisors (1300227912).

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

525728880 is a wasteful number, since it uses less digits than its factorization.

525728880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81156 (or 81141 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 525728880 is about 22928.7784236317. The cubic root of 525728880 is about 807.0874823972.

The spelling of 525728880 in words is "five hundred twenty-five million, seven hundred twenty-eight thousand, eight hundred eighty".