260868276 has 84 divisors (see below), whose sum is σ = 690518052. Its totient is φ = 86189184.

The previous prime is 260868263. The next prime is 260868301. The reversal of 260868276 is 672868062.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 105267600 + 155600676 = 10260^2 + 12474^2 .

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 27 ways as a sum of consecutive naturals, for example, 399166 + ... + 399818.

It is an arithmetic number, because the mean of its divisors is an integer number (8220453).

Almost surely, 2^260868276 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 260868276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345259026).

260868276 is an abundant number, since it is smaller than the sum of its proper divisors (429649776).

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

260868276 is a wasteful number, since it uses less digits than its factorization.

260868276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 260868276 is about 16151.4171514453. The cubic root of 260868276 is about 638.9601244706.

The spelling of 260868276 in words is "two hundred sixty million, eight hundred sixty-eight thousand, two hundred seventy-six".