26056866 has 48 divisors (see below), whose sum is σ = 60328800. Its totient is φ = 7476480.

The previous prime is 26056859. The next prime is 26056873. The reversal of 26056866 is 66865062.

It is an interprime number because it is at equal distance from previous prime (26056859) and next prime (26056873).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12850 + ... + 14738.

It is an arithmetic number, because the mean of its divisors is an integer number (1256850).

Almost surely, 2^26056866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26056866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30164400).

26056866 is an abundant number, since it is smaller than the sum of its proper divisors (34271934).

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

26056866 is a wasteful number, since it uses less digits than its factorization.

26056866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935 (or 1924 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 26056866 is about 5104.5926380075. The cubic root of 26056866 is about 296.4654307261.

It can be divided in two parts, 2605686 and 6, that multiplied together give a square (15634116 = 3954²).

The spelling of 26056866 in words is "twenty-six million, fifty-six thousand, eight hundred sixty-six".