26915880852 has 192 divisors, whose sum is σ = 85736448000. Its totient is φ = 7130312064.

The previous prime is 26915880749. The next prime is 26915880863. The reversal of 26915880852 is 25808851962.

It is a happy number.

26915880852 is a `hidden beast` number, since 2 + 6 + 9 + 1 + 588 + 0 + 8 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 655174 + ... + 695042.

It is an arithmetic number, because the mean of its divisors is an integer number (446544000).

Almost surely, 2^26915880852 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 26915880852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42868224000).

26915880852 is an abundant number, since it is smaller than the sum of its proper divisors (58820567148).

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

26915880852 is a wasteful number, since it uses less digits than its factorization.

26915880852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39955 (or 39947 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 26915880852 in words is "twenty-six billion, nine hundred fifteen million, eight hundred eighty thousand, eight hundred fifty-two".