260489280 has 112 divisors (see below), whose sum is σ = 853830144. Its totient is φ = 67215360.

The previous prime is 260489279. The next prime is 260489291. The reversal of 260489280 is 82984062.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25384 + ... + 34136.

Almost surely, 2^260489280 is an apocalyptic number.

260489280 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 260489280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426915072).

260489280 is an abundant number, since it is smaller than the sum of its proper divisors (593340864).

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

260489280 is a wasteful number, since it uses less digits than its factorization.

260489280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8804 (or 8794 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 260489280 is about 16139.6802942314. The cubic root of 260489280 is about 638.6505420466.

The spelling of 260489280 in words is "two hundred sixty million, four hundred eighty-nine thousand, two hundred eighty".