260849140 has 12 divisors (see below), whose sum is σ = 547783236. Its totient is φ = 104339648.

The previous prime is 260849131. The next prime is 260849143. The reversal of 260849140 is 41948062.

It can be written as a sum of positive squares in 2 ways, for example, as 205406224 + 55442916 = 14332^2 + 7446^2 .

It is a junction number, because it is equal to n+sod(n) for n = 260849096 and 260849105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260849143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6521209 + ... + 6521248.

It is an arithmetic number, because the mean of its divisors is an integer number (45648603).

Almost surely, 2^260849140 is an apocalyptic number.

260849140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260849140 is an abundant number, since it is smaller than the sum of its proper divisors (286934096).

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

260849140 is a wasteful number, since it uses less digits than its factorization.

260849140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13042466 (or 13042464 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 260849140 is about 16150.8247467428. The cubic root of 260849140 is about 638.9445004424.

The spelling of 260849140 in words is "two hundred sixty million, eight hundred forty-nine thousand, one hundred forty".