260270280 has 128 divisors (see below), whose sum is σ = 884131200. Its totient is φ = 68080896.

The previous prime is 260270279. The next prime is 260270317. The reversal of 260270280 is 82072062.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54967 + ... + 59513.

It is an arithmetic number, because the mean of its divisors is an integer number (6907275).

Almost surely, 2^260270280 is an apocalyptic number.

260270280 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 260270280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442065600).

260270280 is an abundant number, since it is smaller than the sum of its proper divisors (623860920).

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

260270280 is a wasteful number, since it uses less digits than its factorization.

260270280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620 (or 4610 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 260270280 is about 16132.8943466447. The cubic root of 260270280 is about 638.4715152514.

The spelling of 260270280 in words is "two hundred sixty million, two hundred seventy thousand, two hundred eighty".