26342880 has 48 divisors (see below), whose sum is σ = 82981584. Its totient is φ = 7024640.

The previous prime is 26342867. The next prime is 26342881. The reversal of 26342880 is 8824362.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26342881) 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 7 ways as a sum of consecutive naturals, for example, 26961 + ... + 27920.

It is an arithmetic number, because the mean of its divisors is an integer number (1728783).

Almost surely, 2^26342880 is an apocalyptic number.

26342880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26342880 is an abundant number, since it is smaller than the sum of its proper divisors (56638704).

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

26342880 is a wasteful number, since it uses less digits than its factorization.

26342880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54899 (or 54891 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 26342880 is about 5132.5315391140. The cubic root of 26342880 is about 297.5462066026.

The spelling of 26342880 in words is "twenty-six million, three hundred forty-two thousand, eight hundred eighty".