26720485093280 has 192 divisors, whose sum is σ = 69347304230400. Its totient is φ = 9648664166400.

The previous prime is 26720485093201. The next prime is 26720485093283. The reversal of 26720485093280 is 8239058402762.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26720485093283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1120015112 + ... + 1120038968.

It is an arithmetic number, because the mean of its divisors is an integer number (361183876200).

Almost surely, 2^{26720485093280} is an apocalyptic number.

26720485093280 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 26720485093280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34673652115200).

26720485093280 is an abundant number, since it is smaller than the sum of its proper divisors (42626819137120).

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

26720485093280 is a wasteful number, since it uses less digits than its factorization.

26720485093280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28303 (or 28295 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 26720485093280 in words is "twenty-six trillion, seven hundred twenty billion, four hundred eighty-five million, ninety-three thousand, two hundred eighty".