260525520 has 120 divisors (see below), whose sum is σ = 877908096. Its totient is φ = 69237504.

The previous prime is 260525453. The next prime is 260525543. The reversal of 260525520 is 25525062.

260525520 is a `hidden beast` number, since 2 + 60 + 52 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350269 + ... + 351011.

Almost surely, 2^260525520 is an apocalyptic number.

260525520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260525520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438954048).

260525520 is an abundant number, since it is smaller than the sum of its proper divisors (617382576).

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

260525520 is a wasteful number, since it uses less digits than its factorization.

260525520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 260525520 is about 16140.8029540045. The cubic root of 260525520 is about 638.6801576254.

The spelling of 260525520 in words is "two hundred sixty million, five hundred twenty-five thousand, five hundred twenty".