26682128298 has 128 divisors (see below), whose sum is σ = 71599104000. Its totient is φ = 7195055040.

The previous prime is 26682128293. The next prime is 26682128309. The reversal of 26682128298 is 89282128662.

It is a happy number.

26682128298 is a `hidden beast` number, since 266 + 8 + 212 + 82 + 98 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26682128293) 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 63 ways as a sum of consecutive naturals, for example, 1939468 + ... + 1953176.

It is an arithmetic number, because the mean of its divisors is an integer number (559368000).

Almost surely, 2^26682128298 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26682128298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35799552000).

26682128298 is an abundant number, since it is smaller than the sum of its proper divisors (44916975702).

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

26682128298 is a wasteful number, since it uses less digits than its factorization.

26682128298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14017 (or 14011 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The spelling of 26682128298 in words is "twenty-six billion, six hundred eighty-two million, one hundred twenty-eight thousand, two hundred ninety-eight".