260485660 has 24 divisors (see below), whose sum is σ = 547449840. Its totient is φ = 104112384.

The previous prime is 260485657. The next prime is 260485699. The reversal of 260485660 is 66584062.

260485660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25407 + ... + 34153.

It is an arithmetic number, because the mean of its divisors is an integer number (22810410).

Almost surely, 2^260485660 is an apocalyptic number.

260485660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260485660 is an abundant number, since it is smaller than the sum of its proper divisors (286964180).

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

260485660 is a wasteful number, since it uses less digits than its factorization.

260485660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10245 (or 10243 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 260485660 is about 16139.5681478781. The cubic root of 260485660 is about 638.6475836066.

The spelling of 260485660 in words is "two hundred sixty million, four hundred eighty-five thousand, six hundred sixty".