26117903886460 has 96 divisors (see below), whose sum is σ = 57857732352000. Its totient is φ = 9876174230016.

The previous prime is 26117903886439. The next prime is 26117903886467. The reversal of 26117903886460 is 6468830971162.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26117903886467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373456776 + ... + 373526704.

It is an arithmetic number, because the mean of its divisors is an integer number (602684712000).

Almost surely, 2^{26117903886460} is an apocalyptic number.

26117903886460 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 26117903886460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28928866176000).

26117903886460 is an abundant number, since it is smaller than the sum of its proper divisors (31739828465540).

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

26117903886460 is a wasteful number, since it uses less digits than its factorization.

26117903886460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72043 (or 72041 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 26117903886460 in words is "twenty-six trillion, one hundred seventeen billion, nine hundred three million, eight hundred eighty-six thousand, four hundred sixty".