260806028 has 36 divisors (see below), whose sum is σ = 531898920. Its totient is φ = 111569472.

The previous prime is 260805997. The next prime is 260806037. The reversal of 260806028 is 820608062.

It is a happy number.

It is a super-2 number, since 2×260806028² = 136039568482273568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260805985 and 260806003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161288 + ... + 162896.

It is an arithmetic number, because the mean of its divisors is an integer number (14774970).

Almost surely, 2^260806028 is an apocalyptic number.

260806028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

260806028 is an abundant number, since it is smaller than the sum of its proper divisors (271092892).

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

260806028 is a wasteful number, since it uses less digits than its factorization.

260806028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454 (or 2445 counting only the distinct ones).

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

The square root of 260806028 is about 16149.4900229078. The cubic root of 260806028 is about 638.9092978562.

The spelling of 260806028 in words is "two hundred sixty million, eight hundred six thousand, twenty-eight".