26922547680 has 384 divisors, whose sum is σ = 102391382016. Its totient is φ = 5815756800.

The previous prime is 26922547657. The next prime is 26922547721. The reversal of 26922547680 is 8674522962.

It is a happy number.

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 63 ways as a sum of consecutive naturals, for example, 4475875 + ... + 4481885.

It is an arithmetic number, because the mean of its divisors is an integer number (266644224).

Almost surely, 2^26922547680 is an apocalyptic number.

26922547680 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 26922547680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51195691008).

26922547680 is an abundant number, since it is smaller than the sum of its proper divisors (75468834336).

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

26922547680 is a wasteful number, since it uses less digits than its factorization.

26922547680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110 (or 6102 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 26922547680 in words is "twenty-six billion, nine hundred twenty-two million, five hundred forty-seven thousand, six hundred eighty".