26306865312 has 192 divisors, whose sum is σ = 85471303680. Its totient is φ = 6898904064.

The previous prime is 26306865281. The next prime is 26306865349. The reversal of 26306865312 is 21356860362.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1555333 + ... + 1572155.

It is an arithmetic number, because the mean of its divisors is an integer number (445163040).

Almost surely, 2^26306865312 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 26306865312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42735651840).

26306865312 is an abundant number, since it is smaller than the sum of its proper divisors (59164438368).

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

26306865312 is a wasteful number, since it uses less digits than its factorization.

26306865312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17035 (or 17027 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 26306865312 in words is "twenty-six billion, three hundred six million, eight hundred sixty-five thousand, three hundred twelve".