260668260 has 48 divisors (see below), whose sum is σ = 810969600. Its totient is φ = 69511392.

The previous prime is 260668249. The next prime is 260668267. The reversal of 260668260 is 62866062.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260668267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240820 + ... + 241899.

It is an arithmetic number, because the mean of its divisors is an integer number (16895200).

Almost surely, 2^260668260 is an apocalyptic number.

260668260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260668260 is an abundant number, since it is smaller than the sum of its proper divisors (550301340).

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

260668260 is a wasteful number, since it uses less digits than its factorization.

260668260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482737 (or 482729 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 260668260 is about 16145.2240616227. The cubic root of 260668260 is about 638.7967790363.

The spelling of 260668260 in words is "two hundred sixty million, six hundred sixty-eight thousand, two hundred sixty".