26189404754136 has 128 divisors (see below), whose sum is σ = 71604763776000. Its totient is φ = 7933733203968.

The previous prime is 26189404754113. The next prime is 26189404754141. The reversal of 26189404754136 is 63145740498162.

It is a super-2 number, since 2×26189404754136² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26189404754136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7195735 + ... + 10205753.

It is an arithmetic number, because the mean of its divisors is an integer number (559412217000).

It is a 1-persistent number, because it is pandigital, but 2⋅26189404754136 = 52378809508272 is not.

Almost surely, 2^{26189404754136} is an apocalyptic number.

26189404754136 is a gapful number since it is divisible by the number (26) 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 26189404754136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35802381888000).

26189404754136 is an abundant number, since it is smaller than the sum of its proper divisors (45415359021864).

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

26189404754136 is a wasteful number, since it uses less digits than its factorization.

26189404754136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010473 (or 3010469 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 26189404754136 in words is "twenty-six trillion, one hundred eighty-nine billion, four hundred four million, seven hundred fifty-four thousand, one hundred thirty-six".