260064842 has 4 divisors (see below), whose sum is σ = 390097266. Its totient is φ = 130032420.

The previous prime is 260064829. The next prime is 260064851. The reversal of 260064842 is 248460062.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248460062 = 2 ⋅124230031.

It can be written as a sum of positive squares in only one way, i.e., 242767561 + 17297281 = 15581^2 + 4159^2 .

It is a junction number, because it is equal to n+sod(n) for n = 260064799 and 260064808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65016209 + ... + 65016212.

Almost surely, 2^260064842 is an apocalyptic number.

260064842 is a deficient number, since it is larger than the sum of its proper divisors (130032424).

260064842 is a wasteful number, since it uses less digits than its factorization.

260064842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130032423.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 260064842 is about 16126.5260363167. The cubic root of 260064842 is about 638.3034837250.

The spelling of 260064842 in words is "two hundred sixty million, sixty-four thousand, eight hundred forty-two".