260656042 has 8 divisors (see below), whose sum is σ = 391224996. Its totient is φ = 130247712.

The previous prime is 260656037. The next prime is 260656057. The reversal of 260656042 is 240656062.

It can be written as a sum of positive squares in 2 ways, for example, as 253414561 + 7241481 = 15919^2 + 2691^2 .

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

It is a super-2 number, since 2×260656042² = 135883144462211528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260655995 and 260656013.

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, 36013 + ... + 42640.

Almost surely, 2^260656042 is an apocalyptic number.

260656042 is a deficient number, since it is larger than the sum of its proper divisors (130568954).

260656042 is a wasteful number, since it uses less digits than its factorization.

260656042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80312.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 260656042 is about 16144.8456790395. The cubic root of 260656042 is about 638.7867983544.

The spelling of 260656042 in words is "two hundred sixty million, six hundred fifty-six thousand, forty-two".