26988565352 has 80 divisors (see below), whose sum is σ = 62141865600. Its totient is φ = 10957615200.

The previous prime is 26988565337. The next prime is 26988565379. The reversal of 26988565352 is 25356588962.

It is a junction number, because it is equal to n+sod(n) for n = 26988565291 and 26988565300.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 327977 + ... + 401927.

It is an arithmetic number, because the mean of its divisors is an integer number (776773320).

Almost surely, 2^26988565352 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 26988565352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31070932800).

26988565352 is an abundant number, since it is smaller than the sum of its proper divisors (35153300248).

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

26988565352 is an equidigital number, since it uses as much as digits as its factorization.

26988565352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74004 (or 73979 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 59.

The spelling of 26988565352 in words is "twenty-six billion, nine hundred eighty-eight million, five hundred sixty-five thousand, three hundred fifty-two".