26665088 has 32 divisors (see below), whose sum is σ = 54428220. Its totient is φ = 13004800.

The previous prime is 26665081. The next prime is 26665091. The reversal of 26665088 is 88056662.

It can be written as a sum of positive squares in 2 ways, for example, as 20866624 + 5798464 = 4568^2 + 2408^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×26665088² = 1422053836095488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (26665081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708 + ... + 7788.

Almost surely, 2^26665088 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 26665088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27214110).

26665088 is an abundant number, since it is smaller than the sum of its proper divisors (27763132).

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

26665088 is an equidigital number, since it uses as much as digits as its factorization.

26665088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136 (or 5124 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 26665088 is about 5163.8249389382. The cubic root of 26665088 is about 298.7544207839.

The spelling of 26665088 in words is "twenty-six million, six hundred sixty-five thousand, eighty-eight".