26556288 has 64 divisors (see below), whose sum is σ = 76965120. Its totient is φ = 8046080.

The previous prime is 26556287. The next prime is 26556293. The reversal of 26556288 is 88265562.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26556287) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1081 + ... + 7367.

It is an arithmetic number, because the mean of its divisors is an integer number (1202580).

Almost surely, 2^26556288 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 26556288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38482560).

26556288 is an abundant number, since it is smaller than the sum of its proper divisors (50408832).

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

26556288 is a wasteful number, since it uses less digits than its factorization.

26556288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315 (or 6303 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 26556288 is about 5153.2793442623. The cubic root of 26556288 is about 298.3475368191.

The spelling of 26556288 in words is "twenty-six million, five hundred fifty-six thousand, two hundred eighty-eight".