260464668 has 12 divisors (see below), whose sum is σ = 607750920. Its totient is φ = 86821552.

The previous prime is 260464663. The next prime is 260464679. The reversal of 260464668 is 866464062.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260464663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10852683 + ... + 10852706.

It is an arithmetic number, because the mean of its divisors is an integer number (50645910).

Almost surely, 2^260464668 is an apocalyptic number.

It is an amenable number.

260464668 is an abundant number, since it is smaller than the sum of its proper divisors (347286252).

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

260464668 is a wasteful number, since it uses less digits than its factorization.

260464668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21705396 (or 21705394 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 260464668 is about 16138.9178075855. The cubic root of 260464668 is about 638.6304273836.

The spelling of 260464668 in words is "two hundred sixty million, four hundred sixty-four thousand, six hundred sixty-eight".