260491264 has 96 divisors (see below), whose sum is σ = 588107520. Its totient is φ = 114278400.

The previous prime is 260491247. The next prime is 260491271. The reversal of 260491264 is 462194062.

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, 698182 + ... + 698554.

It is an arithmetic number, because the mean of its divisors is an integer number (6126120).

Almost surely, 2^260491264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260491264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294053760).

260491264 is an abundant number, since it is smaller than the sum of its proper divisors (327616256).

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

260491264 is a wasteful number, since it uses less digits than its factorization.

260491264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 260491264 is about 16139.7417575375. The cubic root of 260491264 is about 638.6521634562.

The spelling of 260491264 in words is "two hundred sixty million, four hundred ninety-one thousand, two hundred sixty-four".