26675105728 has 112 divisors (see below), whose sum is σ = 56721329280. Its totient is φ = 12423527424.

The previous prime is 26675105713. The next prime is 26675105729. The reversal of 26675105728 is 82750157662.

It is a happy number.

It is a super-2 number, since 2×26675105728² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26675105729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6622051 + ... + 6626077.

It is an arithmetic number, because the mean of its divisors is an integer number (506440440).

Almost surely, 2^26675105728 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 26675105728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28360664640).

26675105728 is an abundant number, since it is smaller than the sum of its proper divisors (30046223552).

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

26675105728 is a wasteful number, since it uses less digits than its factorization.

26675105728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194 (or 4184 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 26675105728 in words is "twenty-six billion, six hundred seventy-five million, one hundred five thousand, seven hundred twenty-eight".