The square root of 256878676224 is 506832.
256878676224 is a `hidden beast` number, since 2 + 568 + 7 + 8 + 6 + 7 + 62 + 2 + 4 = 666.
It is a Duffinian number.
It is an unprimeable number.
Almost surely, 2256878676224 is an apocalyptic number.
256878676224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
256878676224 is the 506832-nd square number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
256878676224 is an frugal number, since it uses more digits than its factorization.
256878676224 is an odious number, because the sum of its binary digits is odd.
The spelling of 256878676224 in words is "two hundred fifty-six billion, eight hundred seventy-eight million, six hundred seventy-six thousand, two hundred twenty-four".