26719719004128 has 288 divisors, whose sum is σ = 75049449864480. Its totient is φ = 8313667891200.

The previous prime is 26719719004063. The next prime is 26719719004141. The reversal of 26719719004128 is 82140091791762.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2988444138 + ... + 2988453078.

It is an arithmetic number, because the mean of its divisors is an integer number (260588367585).

Almost surely, 2^{26719719004128} 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 26719719004128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37524724932240).

26719719004128 is an abundant number, since it is smaller than the sum of its proper divisors (48329730860352).

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

26719719004128 is a wasteful number, since it uses less digits than its factorization.

26719719004128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10162 (or 10123 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 57.

The spelling of 26719719004128 in words is "twenty-six trillion, seven hundred nineteen billion, seven hundred nineteen million, four thousand, one hundred twenty-eight".