26560680 has 64 divisors (see below), whose sum is σ = 80136000. Its totient is φ = 7042560.

The previous prime is 26560673. The next prime is 26560697. The reversal of 26560680 is 8606562.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24796 + ... + 25844.

It is an arithmetic number, because the mean of its divisors is an integer number (1252125).

Almost surely, 2^26560680 is an apocalyptic number.

26560680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26560680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40068000).

26560680 is an abundant number, since it is smaller than the sum of its proper divisors (53575320).

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

26560680 is a wasteful number, since it uses less digits than its factorization.

26560680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274 (or 1270 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 26560680 is about 5153.7054630625. The cubic root of 26560680 is about 298.3639832712.

The spelling of 26560680 in words is "twenty-six million, five hundred sixty thousand, six hundred eighty".