26121424 has 60 divisors (see below), whose sum is σ = 59715424. Its totient is φ = 10840896.

The previous prime is 26121413. The next prime is 26121439. The reversal of 26121424 is 42412162.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26121395 and 26121404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389839 + ... + 389905.

Almost surely, 2^26121424 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 26121424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29857712).

26121424 is an abundant number, since it is smaller than the sum of its proper divisors (33594000).

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

26121424 is an equidigital number, since it uses as much as digits as its factorization.

26121424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 135 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 26121424 is about 5110.9122473390. The cubic root of 26121424 is about 296.7100678553.

Adding to 26121424 its reverse (42412162), we get a palindrome (68533586).

The spelling of 26121424 in words is "twenty-six million, one hundred twenty-one thousand, four hundred twenty-four".