26616880 has 20 divisors (see below), whose sum is σ = 61884432. Its totient is φ = 10646720.

The previous prime is 26616869. The next prime is 26616881. The reversal of 26616880 is 8861662.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (26616881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166276 + ... + 166435.

Almost surely, 2^26616880 is an apocalyptic number.

26616880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26616880 is an abundant number, since it is smaller than the sum of its proper divisors (35267552).

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

26616880 is a wasteful number, since it uses less digits than its factorization.

26616880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332724 (or 332718 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 26616880 is about 5159.1549695662. The cubic root of 26616880 is about 298.5742721039.

The spelling of 26616880 in words is "twenty-six million, six hundred sixteen thousand, eight hundred eighty".