Multipling 8226685968400 by its sum of digits (64), we get a square (526507901977600 = 229457602).
The square root of 8226685968400 is 2868220.
It is a Duffinian number.
Almost surely, 28226685968400 is an apocalyptic number.
8226685968400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
8226685968400 is the 2868220-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8226685968400
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8226685968400 is an frugal number, since it uses more digits than its factorization.
8226685968400 is an odious number, because the sum of its binary digits is odd.
The spelling of 8226685968400 in words is "eight trillion, two hundred twenty-six billion, six hundred eighty-five million, nine hundred sixty-eight thousand, four hundred".