26247086352 has 180 divisors, whose sum is σ = 78384181876. Its totient is φ = 8197079040.

The previous prime is 26247086339. The next prime is 26247086353. The reversal of 26247086352 is 25368074262.

26247086352 is a `hidden beast` number, since 2 + 6 + 2 + 4 + 7 + 0 + 8 + 635 + 2 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 11984994576 + 14262091776 = 109476^2 + 119424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26247086298 and 26247086307.

It is not an unprimeable number, because it can be changed into a prime (26247086353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10028148 + ... + 10030764.

Almost surely, 2^26247086352 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 26247086352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39192090938).

26247086352 is an abundant number, since it is smaller than the sum of its proper divisors (52137095524).

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

26247086352 is a wasteful number, since it uses less digits than its factorization.

26247086352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906 (or 2880 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 26247086352 in words is "twenty-six billion, two hundred forty-seven million, eighty-six thousand, three hundred fifty-two".