26220879347712 has 272 divisors, whose sum is σ = 81541680806400. Its totient is φ = 7491660546048.

The previous prime is 26220879347699. The next prime is 26220879347713. The reversal of 26220879347712 is 21774397802262.

It is not an unprimeable number, because it can be changed into a prime (26220879347713) 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, 67242133 + ... + 67630955.

It is an arithmetic number, because the mean of its divisors is an integer number (299785591200).

Almost surely, 2^{26220879347712} 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 26220879347712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40770840403200).

26220879347712 is an abundant number, since it is smaller than the sum of its proper divisors (55320801458688).

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

26220879347712 is an frugal number, since it uses more digits than its factorization.

26220879347712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388879 (or 388835 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 60.

The spelling of 26220879347712 in words is "twenty-six trillion, two hundred twenty billion, eight hundred seventy-nine million, three hundred forty-seven thousand, seven hundred twelve".