260951840 has 48 divisors (see below), whose sum is σ = 619799040. Its totient is φ = 103822080.

The previous prime is 260951809. The next prime is 260951851. The reversal of 260951840 is 48159062.

It is a self number, because there is not a number n which added to its sum of digits gives 260951840.

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, 26291 + ... + 34829.

It is an arithmetic number, because the mean of its divisors is an integer number (12912480).

Almost surely, 2^260951840 is an apocalyptic number.

260951840 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 260951840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309899520).

260951840 is an abundant number, since it is smaller than the sum of its proper divisors (358847200).

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

260951840 is a wasteful number, since it uses less digits than its factorization.

260951840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8745 (or 8737 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 260951840 is about 16154.0038380582. The cubic root of 260951840 is about 639.0283432724.

The spelling of 260951840 in words is "two hundred sixty million, nine hundred fifty-one thousand, eight hundred forty".