26139272830272 has 448 divisors, whose sum is σ = 88093500825600. Its totient is φ = 7445350103040.

The previous prime is 26139272830241. The next prime is 26139272830291. The reversal of 26139272830272 is 27203827293162.

26139272830272 is a `hidden beast` number, since 2 + 6 + 1 + 3 + 92 + 7 + 283 + 0 + 272 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6408253129 + ... + 6408257207.

Almost surely, 2^{26139272830272} 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 26139272830272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44046750412800).

26139272830272 is an abundant number, since it is smaller than the sum of its proper divisors (61954227995328).

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

26139272830272 is a wasteful number, since it uses less digits than its factorization.

26139272830272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611 (or 5595 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 26139272830272 in words is "twenty-six trillion, one hundred thirty-nine billion, two hundred seventy-two million, eight hundred thirty thousand, two hundred seventy-two".