26894818518 has 16 divisors (see below), whose sum is σ = 54804536496. Its totient is φ = 8795789600.

The previous prime is 26894818469. The next prime is 26894818537. The reversal of 26894818518 is 81581849862.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42287133 + ... + 42287768.

It is an arithmetic number, because the mean of its divisors is an integer number (3425283531).

Almost surely, 2^26894818518 is an apocalyptic number.

26894818518 is an abundant number, since it is smaller than the sum of its proper divisors (27909717978).

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

26894818518 is a wasteful number, since it uses less digits than its factorization.

26894818518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84574959.

The product of its digits is 8847360, while the sum is 60.

The spelling of 26894818518 in words is "twenty-six billion, eight hundred ninety-four million, eight hundred eighteen thousand, five hundred eighteen".