26404224 has 256 divisors, whose sum is σ = 94003200. Its totient is φ = 6359040.

The previous prime is 26404223. The next prime is 26404241. The reversal of 26404224 is 42240462.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 26404194 and 26404203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26404223) 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, 561769 + ... + 561815.

It is an arithmetic number, because the mean of its divisors is an integer number (367200).

Almost surely, 2^26404224 is an apocalyptic number.

26404224 is a gapful number since it is divisible by the number (24) 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 26404224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47001600).

26404224 is an abundant number, since it is smaller than the sum of its proper divisors (67598976).

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

26404224 is a wasteful number, since it uses less digits than its factorization.

26404224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 26404224 is about 5138.5040624680. The cubic root of 26404224 is about 297.7769903364.

Adding to 26404224 its reverse (42240462), we get a palindrome (68644686).

The spelling of 26404224 in words is "twenty-six million, four hundred four thousand, two hundred twenty-four".