26426666664384 has 56 divisors (see below), whose sum is σ = 79909206346368. Its totient is φ = 7550476189440.

The previous prime is 26426666664367. The next prime is 26426666664457. The reversal of 26426666664384 is 48346666662462.

It is a tau number, because it is divible by the number of its divisors (56).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9831347862 + ... + 9831350549.

It is an arithmetic number, because the mean of its divisors is an integer number (1426950113328).

Almost surely, 2^{26426666664384} is an apocalyptic number.

26426666664384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26426666664384 is an abundant number, since it is smaller than the sum of its proper divisors (53482539681984).

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

26426666664384 is a wasteful number, since it uses less digits than its factorization.

26426666664384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19662698433 (or 19662698423 counting only the distinct ones).

The product of its digits is 1719926784, while the sum is 69.

The spelling of 26426666664384 in words is "twenty-six trillion, four hundred twenty-six billion, six hundred sixty-six million, six hundred sixty-four thousand, three hundred eighty-four".