26842108218 has 32 divisors (see below), whose sum is σ = 53989355520. Its totient is φ = 8896555440.

The previous prime is 26842108217. The next prime is 26842108219. The reversal of 26842108218 is 81280124862.

It is an interprime number because it is at equal distance from previous prime (26842108217) and next prime (26842108219).

It is a self number, because there is not a number n which added to its sum of digits gives 26842108218.

It is not an unprimeable number, because it can be changed into a prime (26842108211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3731221 + ... + 3738407.

It is an arithmetic number, because the mean of its divisors is an integer number (1687167360).

Almost surely, 2^26842108218 is an apocalyptic number.

26842108218 is an abundant number, since it is smaller than the sum of its proper divisors (27147247302).

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

26842108218 is a wasteful number, since it uses less digits than its factorization.

26842108218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10642.

The product of its (nonzero) digits is 98304, while the sum is 42.

The spelling of 26842108218 in words is "twenty-six billion, eight hundred forty-two million, one hundred eight thousand, two hundred eighteen".