26384080 has 20 divisors (see below), whose sum is σ = 61343172. Its totient is φ = 10553600.

The previous prime is 26384077. The next prime is 26384081. The reversal of 26384080 is 8048362.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10575504 + 15808576 = 3252^2 + 3976^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×26384080² = 1392239354892800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26384081) 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 3 ways as a sum of consecutive naturals, for example, 164821 + ... + 164980.

Almost surely, 2^26384080 is an apocalyptic number.

26384080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26384080 is an abundant number, since it is smaller than the sum of its proper divisors (34959092).

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

26384080 is a wasteful number, since it uses less digits than its factorization.

26384080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329814 (or 329808 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 26384080 is about 5136.5435849411. The cubic root of 26384080 is about 297.7012455648.

The spelling of 26384080 in words is "twenty-six million, three hundred eighty-four thousand, eighty".