260363520 has 216 divisors, whose sum is σ = 914023656. Its totient is φ = 68419584.

The previous prime is 260363501. The next prime is 260363533. The reversal of 260363520 is 25363062.

260363520 is a `hidden beast` number, since 2 + 6 + 0 + 3 + 635 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4875264 + 255488256 = 2208^2 + 15984^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1117324 + ... + 1117556.

It is an arithmetic number, because the mean of its divisors is an integer number (4231591).

Almost surely, 2^260363520 is an apocalyptic number.

260363520 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 260363520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457011828).

260363520 is an abundant number, since it is smaller than the sum of its proper divisors (653660136).

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

260363520 is a wasteful number, since it uses less digits than its factorization.

260363520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 260363520 is about 16135.7838359343. The cubic root of 260363520 is about 638.5477487943.

The spelling of 260363520 in words is "two hundred sixty million, three hundred sixty-three thousand, five hundred twenty".