26533668 has 72 divisors (see below), whose sum is σ = 75232192. Its totient is φ = 7128576.

The previous prime is 26533667. The next prime is 26533669. The reversal of 26533668 is 86633562.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26533667) and next prime (26533669).

It is a super-4 number, since 4×26533668⁴ (a number of 31 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (26533667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23730 + ... + 24822.

Almost surely, 2^26533668 is an apocalyptic number.

26533668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26533668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37616096).

26533668 is an abundant number, since it is smaller than the sum of its proper divisors (48698524).

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

26533668 is a wasteful number, since it uses less digits than its factorization.

26533668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141 (or 1122 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 26533668 is about 5151.0841577284. The cubic root of 26533668 is about 298.2628043659.

It can be divided in two parts, 265 and 33668, that added together give a palindrome (33933).

The spelling of 26533668 in words is "twenty-six million, five hundred thirty-three thousand, six hundred sixty-eight".