26227680 has 96 divisors (see below), whose sum is σ = 83589408. Its totient is φ = 6912000.

The previous prime is 26227679. The next prime is 26227717. The reversal of 26227680 is 8672262.

It is a tau number, because it is divible by the number of its divisors (96).

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, 48210 + ... + 48750.

It is an arithmetic number, because the mean of its divisors is an integer number (870723).

Almost surely, 2^26227680 is an apocalyptic number.

26227680 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 26227680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41794704).

26227680 is an abundant number, since it is smaller than the sum of its proper divisors (57361728).

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

26227680 is a wasteful number, since it uses less digits than its factorization.

26227680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 26227680 is about 5121.2967107950. The cubic root of 26227680 is about 297.1118398872. Note that the first 3 decimals are identical.

The spelling of 26227680 in words is "twenty-six million, two hundred twenty-seven thousand, six hundred eighty".