26188772352 has 88 divisors (see below), whose sum is σ = 69921524256. Its totient is φ = 8714723328.

The previous prime is 26188772347. The next prime is 26188772359. The reversal of 26188772352 is 25327788162.

It is a super-2 number, since 2×26188772352² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26188772295 and 26188772304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26188772359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876183 + ... + 1890089.

Almost surely, 2^26188772352 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 26188772352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34960762128).

26188772352 is an abundant number, since it is smaller than the sum of its proper divisors (43732751904).

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

26188772352 is a wasteful number, since it uses less digits than its factorization.

26188772352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14543 (or 14525 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 26188772352 in words is "twenty-six billion, one hundred eighty-eight million, seven hundred seventy-two thousand, three hundred fifty-two".