26242216 has 128 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 9031680.

The previous prime is 26242207. The next prime is 26242219. The reversal of 26242216 is 61224262.

It is not an unprimeable number, because it can be changed into a prime (26242219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232176 + ... + 232288.

It is an arithmetic number, because the mean of its divisors is an integer number (538650).

Almost surely, 2^26242216 is an apocalyptic number.

26242216 is a gapful number since it is divisible by the number (26) 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 26242216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34473600).

26242216 is an abundant number, since it is smaller than the sum of its proper divisors (42704984).

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

26242216 is a wasteful number, since it uses less digits than its factorization.

26242216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 175 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 26242216 is about 5122.7156860400. The cubic root of 26242216 is about 297.1667185508.

Adding to 26242216 its reverse (61224262), we get a palindrome (87466478).

It can be divided in two parts, 26 and 242216, that added together give a palindrome (242242).

The spelling of 26242216 in words is "twenty-six million, two hundred forty-two thousand, two hundred sixteen".