260680028 has 12 divisors (see below), whose sum is σ = 521360112. Its totient is φ = 111720000.

The previous prime is 260680003. The next prime is 260680037. The reversal of 260680028 is 820086062.

It is a happy number.

260680028 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 260679976 and 260680003.

It is a congruent number.

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, 4654973 + ... + 4655028.

It is an arithmetic number, because the mean of its divisors is an integer number (43446676).

Almost surely, 2^260680028 is an apocalyptic number.

260680028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

260680028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

260680028 is a wasteful number, since it uses less digits than its factorization.

260680028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9310012 (or 9310010 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 260680028 is about 16145.5884996491. The cubic root of 260680028 is about 638.8063918259.

The spelling of 260680028 in words is "two hundred sixty million, six hundred eighty thousand, twenty-eight".