26656812 has 144 divisors (see below), whose sum is σ = 84797440. Its totient is φ = 6873984.

The previous prime is 26656801. The next prime is 26656843. The reversal of 26656812 is 21865662.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 258753 + ... + 258855.

Almost surely, 2^26656812 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 26656812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42398720).

26656812 is an abundant number, since it is smaller than the sum of its proper divisors (58140628).

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

26656812 is a wasteful number, since it uses less digits than its factorization.

26656812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 207 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 26656812 is about 5163.0235327761. The cubic root of 26656812 is about 298.7235096111.

The spelling of 26656812 in words is "twenty-six million, six hundred fifty-six thousand, eight hundred twelve".