26243616 has 96 divisors (see below), whose sum is σ = 80438400. Its totient is φ = 7488768.

The previous prime is 26243611. The next prime is 26243671. The reversal of 26243616 is 61634262.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (26243611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32530 + ... + 33326.

It is an arithmetic number, because the mean of its divisors is an integer number (837900).

Almost surely, 2^26243616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26243616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40219200).

26243616 is an abundant number, since it is smaller than the sum of its proper divisors (54194784).

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

26243616 is an equidigital number, since it uses as much as digits as its factorization.

26243616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 809 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 26243616 is about 5122.8523304893. The cubic root of 26243616 is about 297.1720029878.

Adding to 26243616 its reverse (61634262), we get a palindrome (87877878).

The spelling of 26243616 in words is "twenty-six million, two hundred forty-three thousand, six hundred sixteen".