26793232128 has 648 divisors, whose sum is σ = 92574190800. Its totient is φ = 7386660864.

The previous prime is 26793232099. The next prime is 26793232159. The reversal of 26793232128 is 82123239762.

Its product of digits (435456) is a multiple of the sum of its prime factors (189).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 301047508 + ... + 301047596.

Almost surely, 2^26793232128 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 26793232128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46287095400).

26793232128 is an abundant number, since it is smaller than the sum of its proper divisors (65780958672).

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

26793232128 is a wasteful number, since it uses less digits than its factorization.

26793232128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 149 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 26793232128 in words is "twenty-six billion, seven hundred ninety-three million, two hundred thirty-two thousand, one hundred twenty-eight".