26612880 has 240 divisors, whose sum is σ = 100422144. Its totient is φ = 5806080.

The previous prime is 26612851. The next prime is 26612891. The reversal of 26612880 is 8821662.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 364524 + ... + 364596.

Almost surely, 2^26612880 is an apocalyptic number.

26612880 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 26612880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50211072).

26612880 is an abundant number, since it is smaller than the sum of its proper divisors (73809264).

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

26612880 is a wasteful number, since it uses less digits than its factorization.

26612880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 26612880 is about 5158.7672946160. The cubic root of 26612880 is about 298.5593147169.

The spelling of 26612880 in words is "twenty-six million, six hundred twelve thousand, eight hundred eighty".