26256560 has 40 divisors (see below), whose sum is σ = 66598416. Its totient is φ = 9547520.

The previous prime is 26256557. The next prime is 26256577. The reversal of 26256560 is 6565262.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14039 + ... + 15798.

Almost surely, 2^26256560 is an apocalyptic number.

26256560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26256560 is an abundant number, since it is smaller than the sum of its proper divisors (40341856).

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

26256560 is a wasteful number, since it uses less digits than its factorization.

26256560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29861 (or 29855 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 26256560 is about 5124.1155334360. The cubic root of 26256560 is about 297.2208524828.

The spelling of 26256560 in words is "twenty-six million, two hundred fifty-six thousand, five hundred sixty".