26386868346 has 32 divisors (see below), whose sum is σ = 53028338688. Its totient is φ = 8753230080.

The previous prime is 26386868341. The next prime is 26386868383. The reversal of 26386868346 is 64386868362.

It is a super-2 number, since 2×26386868346² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26386868346.

It is not an unprimeable number, because it can be changed into a prime (26386868341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3520615 + ... + 3528101.

It is an arithmetic number, because the mean of its divisors is an integer number (1657135584).

Almost surely, 2^26386868346 is an apocalyptic number.

26386868346 is an abundant number, since it is smaller than the sum of its proper divisors (26641470342).

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

26386868346 is a wasteful number, since it uses less digits than its factorization.

26386868346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10246.

The product of its digits is 47775744, while the sum is 60.

The spelling of 26386868346 in words is "twenty-six billion, three hundred eighty-six million, eight hundred sixty-eight thousand, three hundred forty-six".