260648842 has 8 divisors (see below), whose sum is σ = 391173156. Its totient is φ = 130257792.

The previous prime is 260648779. The next prime is 260648863. The reversal of 260648842 is 248846062.

It can be written as a sum of positive squares in 2 ways, for example, as 258855921 + 1792921 = 16089^2 + 1339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 260648795 and 260648804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28273 + ... + 36340.

Almost surely, 2^260648842 is an apocalyptic number.

260648842 is a deficient number, since it is larger than the sum of its proper divisors (130524314).

260648842 is a wasteful number, since it uses less digits than its factorization.

260648842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66632.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 260648842 is about 16144.6226961177. The cubic root of 260648842 is about 638.7809166475.

The spelling of 260648842 in words is "two hundred sixty million, six hundred forty-eight thousand, eight hundred forty-two".