260781088 has 24 divisors (see below), whose sum is σ = 543614652. Its totient is φ = 122720256.

The previous prime is 260781067. The next prime is 260781089. The reversal of 260781088 is 880187062.

It can be written as a sum of positive squares in 2 ways, for example, as 252555664 + 8225424 = 15892^2 + 2868^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 260781088.

It is not an unprimeable number, because it can be changed into a prime (260781089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239145 + ... + 240232.

Almost surely, 2^260781088 is an apocalyptic number.

It is an amenable number.

260781088 is an abundant number, since it is smaller than the sum of its proper divisors (282833564).

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

260781088 is a wasteful number, since it uses less digits than its factorization.

260781088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479404 (or 479396 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 260781088 is about 16148.7178438413. The cubic root of 260781088 is about 638.8889316272. Note that the first 3 decimals are identical.

The spelling of 260781088 in words is "two hundred sixty million, seven hundred eighty-one thousand, eighty-eight".