26306880 has 112 divisors (see below), whose sum is σ = 84978240. Its totient is φ = 6893568.

The previous prime is 26306873. The next prime is 26306893. The reversal of 26306880 is 8860362.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64116 + ... + 64524.

Almost surely, 2^26306880 is an apocalyptic number.

26306880 is a gapful number since it is divisible by the number (20) 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 26306880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42489120).

26306880 is an abundant number, since it is smaller than the sum of its proper divisors (58671360).

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

26306880 is a wasteful number, since it uses less digits than its factorization.

26306880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 26306880 is about 5129.0232988358. The cubic root of 26306880 is about 297.4106032740.

The spelling of 26306880 in words is "twenty-six million, three hundred six thousand, eight hundred eighty".