It is a congruent number.
It is an unprimeable number.
Almost surely, 238401352766448 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.
38401352766448 is a wasteful number, since it uses less digits than its factorization.
38401352766448 is an evil number, because the sum of its binary digits is even.
The spelling of 38401352766448 in words is "thirty-eight trillion, four hundred one billion, three hundred fifty-two million, seven hundred sixty-six thousand, four hundred forty-eight".