26706818880 has 672 divisors, whose sum is σ = 110496096000. Its totient is φ = 6054580224.

The previous prime is 26706818861. The next prime is 26706818903. The reversal of 26706818880 is 8881860762.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 84248482 + ... + 84248798.

Almost surely, 2^26706818880 is an apocalyptic number.

26706818880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26706818880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55248048000).

26706818880 is an abundant number, since it is smaller than the sum of its proper divisors (83789277120).

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

26706818880 is a wasteful number, since it uses less digits than its factorization.

26706818880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 26706818880 in words is "twenty-six billion, seven hundred six million, eight hundred eighteen thousand, eight hundred eighty".