26284560 has 40 divisors (see below), whose sum is σ = 81482880. Its totient is φ = 7009152.

The previous prime is 26284553. The next prime is 26284579. The reversal of 26284560 is 6548262.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54520 + ... + 54999.

It is an arithmetic number, because the mean of its divisors is an integer number (2037072).

Almost surely, 2^26284560 is an apocalyptic number.

26284560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26284560 is an abundant number, since it is smaller than the sum of its proper divisors (55198320).

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

26284560 is a wasteful number, since it uses less digits than its factorization.

26284560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109535 (or 109529 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 26284560 is about 5126.8469842585. The cubic root of 26284560 is about 297.3264670716.

The spelling of 26284560 in words is "twenty-six million, two hundred eighty-four thousand, five hundred sixty".