26564480 has 32 divisors (see below), whose sum is σ = 63507240. Its totient is φ = 10625536.

The previous prime is 26564467. The next prime is 26564491. The reversal of 26564480 is 8446562.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26564480.

It is a congruent number.

It is an unprimeable number.

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, 20114 + ... + 21393.

Almost surely, 2^26564480 is an apocalyptic number.

26564480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26564480 is an abundant number, since it is smaller than the sum of its proper divisors (36942760).

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

26564480 is an equidigital number, since it uses as much as digits as its factorization.

26564480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41526 (or 41514 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 26564480 is about 5154.0741166576. The cubic root of 26564480 is about 298.3782114344.

The spelling of 26564480 in words is "twenty-six million, five hundred sixty-four thousand, four hundred eighty".