260444869 has 8 divisors (see below), whose sum is σ = 262999040. Its totient is φ = 257898816.

The previous prime is 260444861. The next prime is 260444881. The reversal of 260444869 is 968444062.

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

It is a cyclic number.

It is not a de Polignac number, because 260444869 - 2³ = 260444861 is a prime.

It is a super-2 number, since 2×260444869² = 135663059576854322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260444861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76957 + ... + 80269.

It is an arithmetic number, because the mean of its divisors is an integer number (32874880).

Almost surely, 2^260444869 is an apocalyptic number.

It is an amenable number.

260444869 is a deficient number, since it is larger than the sum of its proper divisors (2554171).

260444869 is a wasteful number, since it uses less digits than its factorization.

260444869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059.

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 260444869 is about 16138.3044028795. The cubic root of 260444869 is about 638.6142453242.

The spelling of 260444869 in words is "two hundred sixty million, four hundred forty-four thousand, eight hundred sixty-nine".