26922000280 has 128 divisors (see below), whose sum is σ = 69816297600. Its totient is φ = 9152335872.

The previous prime is 26922000263. The next prime is 26922000289. The reversal of 26922000280 is 8200022962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26922000289) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 18786444 + ... + 18787876.

It is an arithmetic number, because the mean of its divisors is an integer number (545439825).

Almost surely, 2^26922000280 is an apocalyptic number.

26922000280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

26922000280 is the 82040-th decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26922000280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34908148800).

26922000280 is an abundant number, since it is smaller than the sum of its proper divisors (42894297320).

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

26922000280 is a wasteful number, since it uses less digits than its factorization.

26922000280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973 (or 1969 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 26922000280 in words is "twenty-six billion, nine hundred twenty-two million, two hundred eighty", and thus it is an aban number.