525998880 has 192 divisors, whose sum is σ = 2008540800. Its totient is φ = 127503360.

The previous prime is 525998873. The next prime is 525998899. The reversal of 525998880 is 88899525.

It is a super-2 number, since 2×525998880² = 553349643522508800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41986 + ... + 53054.

It is an arithmetic number, because the mean of its divisors is an integer number (10461150).

Almost surely, 2^525998880 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 525998880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004270400).

525998880 is an abundant number, since it is smaller than the sum of its proper divisors (1482541920).

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

525998880 is a wasteful number, since it uses less digits than its factorization.

525998880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11104 (or 11090 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 54.

The square root of 525998880 is about 22934.6654651861. The cubic root of 525998880 is about 807.2256247834.

The spelling of 525998880 in words is "five hundred twenty-five million, nine hundred ninety-eight thousand, eight hundred eighty".