15642422484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
Almost surely, 215642422484 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 15642422484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19878174960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15642422484 is a wasteful number, since it uses less digits than its factorization.
15642422484 is an odious number, because the sum of its binary digits is odd.
The spelling of 15642422484 in words is "fifteen billion, six hundred forty-two million, four hundred twenty-two thousand, four hundred eighty-four".