26104322420 has 96 divisors (see below), whose sum is σ = 62517885696. Its totient is φ = 9063014400.

The previous prime is 26104322381. The next prime is 26104322429. The reversal of 26104322420 is 2422340162.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 26104322420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26104322429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2915150 + ... + 2924090.

It is an arithmetic number, because the mean of its divisors is an integer number (651227976).

Almost surely, 2^26104322420 is an apocalyptic number.

26104322420 is a gapful number since it is divisible by the number (20) 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 26104322420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31258942848).

26104322420 is an abundant number, since it is smaller than the sum of its proper divisors (36413563276).

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

26104322420 is a wasteful number, since it uses less digits than its factorization.

26104322420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9561 (or 9559 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 26104322420 its reverse (2422340162), we get a palindrome (28526662582).

The spelling of 26104322420 in words is "twenty-six billion, one hundred four million, three hundred twenty-two thousand, four hundred twenty".