26135443026 has 96 divisors (see below), whose sum is σ = 70638242688. Its totient is φ = 6784715520.

The previous prime is 26135443003. The next prime is 26135443093. The reversal of 26135443026 is 62034453162.

26135443026 is a `hidden beast` number, since 2 + 61 + 3 + 544 + 30 + 26 = 666.

It is a super-2 number, since 2×26135443026² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3290556 + ... + 3298488.

It is an arithmetic number, because the mean of its divisors is an integer number (735815028).

Almost surely, 2^26135443026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26135443026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35319121344).

26135443026 is an abundant number, since it is smaller than the sum of its proper divisors (44502799662).

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

26135443026 is a wasteful number, since it uses less digits than its factorization.

26135443026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10336 (or 10333 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 26135443026 its reverse (62034453162), we get a palindrome (88169896188).

The spelling of 26135443026 in words is "twenty-six billion, one hundred thirty-five million, four hundred forty-three thousand, twenty-six".