It is a congruent number.
Almost surely, 2516226542 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 516226542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589061760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
516226542 is a wasteful number, since it uses less digits than its factorization.
516226542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2337.
The square root of 516226542 is about 22720.6193137423. The cubic root of 516226542 is about 802.1952943017.
The spelling of 516226542 in words is "five hundred sixteen million, two hundred twenty-six thousand, five hundred forty-two".