It is a congruent number.
It is an unprimeable number.
Almost surely, 26673340734040 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6673340734040 is a wasteful number, since it uses less digits than its factorization.
6673340734040 is an odious number, because the sum of its binary digits is odd.
The spelling of 6673340734040 in words is "six trillion, six hundred seventy-three billion, three hundred forty million, seven hundred thirty-four thousand, forty".