26856260 has 24 divisors (see below), whose sum is σ = 59716440. Its totient is φ = 10110464.

The previous prime is 26856257. The next prime is 26856289. The reversal of 26856260 is 6265862.

It can be written as a sum of positive squares in 4 ways, for example, as 9947716 + 16908544 = 3154^2 + 4112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26856260.

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, 39155 + ... + 39834.

It is an arithmetic number, because the mean of its divisors is an integer number (2488185).

Almost surely, 2^26856260 is an apocalyptic number.

26856260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26856260 is an abundant number, since it is smaller than the sum of its proper divisors (32860180).

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

26856260 is a wasteful number, since it uses less digits than its factorization.

26856260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79015 (or 79013 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 26856260 is about 5182.3025770404. The cubic root of 26856260 is about 299.4666820982.

The spelling of 26856260 in words is "twenty-six million, eight hundred fifty-six thousand, two hundred sixty".