990252270 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.
Almost surely, 2990252270 is an apocalyptic number.
990252270 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 990252270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608562800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
990252270 is a wasteful number, since it uses less digits than its factorization.
990252270 is an odious number, because the sum of its binary digits is odd.
The square root of 990252270 is about 31468.2740232126. The cubic root of 990252270 is about 996.7401415366.
The spelling of 990252270 in words is "nine hundred ninety million, two hundred fifty-two thousand, two hundred seventy".