26243352036 has 144 divisors (see below), whose sum is σ = 73548820800. Its totient is φ = 7823692800.

The previous prime is 26243352001. The next prime is 26243352041. The reversal of 26243352036 is 63025334262.

26243352036 is a `hidden beast` number, since 2 + 62 + 43 + 3 + 520 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 7434720 + ... + 7438248.

It is an arithmetic number, because the mean of its divisors is an integer number (510755700).

Almost surely, 2^26243352036 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 26243352036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36774410400).

26243352036 is an abundant number, since it is smaller than the sum of its proper divisors (47305468764).

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

26243352036 is a wasteful number, since it uses less digits than its factorization.

26243352036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 26243352036 its reverse (63025334262), we get a palindrome (89268686298).

The spelling of 26243352036 in words is "twenty-six billion, two hundred forty-three million, three hundred fifty-two thousand, thirty-six".