26344420 has 24 divisors (see below), whose sum is σ = 57109248. Its totient is φ = 10197600.

The previous prime is 26344411. The next prime is 26344421. The reversal of 26344420 is 2444362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26344421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20626 + ... + 21865.

It is an arithmetic number, because the mean of its divisors is an integer number (2379552).

Almost surely, 2^26344420 is an apocalyptic number.

26344420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26344420 is an abundant number, since it is smaller than the sum of its proper divisors (30764828).

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

26344420 is a wasteful number, since it uses less digits than its factorization.

26344420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42531 (or 42529 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 26344420 is about 5132.6815603542. The cubic root of 26344420 is about 297.5520046554.

Adding to 26344420 its reverse (2444362), we get a palindrome (28788782).

The spelling of 26344420 in words is "twenty-six million, three hundred forty-four thousand, four hundred twenty".