260143680 has 112 divisors (see below), whose sum is σ = 834444864. Its totient is φ = 68659200.

The previous prime is 260143669. The next prime is 260143691. The reversal of 260143680 is 86341062.

It is an interprime number because it is at equal distance from previous prime (260143669) and next prime (260143691).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 95619 + ... + 98301.

Almost surely, 2^260143680 is an apocalyptic number.

260143680 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 260143680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417222432).

260143680 is an abundant number, since it is smaller than the sum of its proper divisors (574301184).

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

260143680 is a wasteful number, since it uses less digits than its factorization.

260143680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 260143680 is about 16128.9702089129. The cubic root of 260143680 is about 638.3679772381.

The spelling of 260143680 in words is "two hundred sixty million, one hundred forty-three thousand, six hundred eighty".