26564868 has 96 divisors (see below), whose sum is σ = 76608000. Its totient is φ = 7892640.

The previous prime is 26564851. The next prime is 26564873. The reversal of 26564868 is 86846562.

26564868 is a `hidden beast` number, since 2 + 6 + 564 + 86 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69903 + ... + 70281.

It is an arithmetic number, because the mean of its divisors is an integer number (798000).

Almost surely, 2^26564868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26564868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38304000).

26564868 is an abundant number, since it is smaller than the sum of its proper divisors (50043132).

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

26564868 is a wasteful number, since it uses less digits than its factorization.

26564868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 454 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 26564868 is about 5154.1117566463. Note that the first 3 decimals coincide. The cubic root of 26564868 is about 298.3796641284.

The spelling of 26564868 in words is "twenty-six million, five hundred sixty-four thousand, eight hundred sixty-eight".