26002857168 has 50 divisors (see below), whose sum is σ = 75259816434. Its totient is φ = 8667618624.

The previous prime is 26002857143. The next prime is 26002857217. The reversal of 26002857168 is 86175820062.

26002857168 is a `hidden beast` number, since 2 + 600 + 28 + 5 + 7 + 16 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25988019264 + 14837904 = 161208^2 + 3852^2 .

It is a super-2 number, since 2×26002857168² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10030671 + ... + 10033262.

Almost surely, 2^26002857168 is an apocalyptic number.

It is an amenable number.

26002857168 is an abundant number, since it is smaller than the sum of its proper divisors (49256959266).

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

26002857168 is a wasteful number, since it uses less digits than its factorization.

26002857168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20063953 (or 20063938 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 26002857168 in words is "twenty-six billion, two million, eight hundred fifty-seven thousand, one hundred sixty-eight".