990048816 has 120 divisors (see below), whose sum is σ = 2846179440. Its totient is φ = 321159168.

The previous prime is 990048811. The next prime is 990048841. The reversal of 990048816 is 618840099.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990048811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 858096 + ... + 859248.

It is an arithmetic number, because the mean of its divisors is an integer number (23718162).

Almost surely, 2^990048816 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 990048816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423089720).

990048816 is an abundant number, since it is smaller than the sum of its proper divisors (1856130624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

990048816 is a wasteful number, since it uses less digits than its factorization.

990048816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 990048816 is about 31465.0411727047. The cubic root of 990048816 is about 996.6718745355.

The spelling of 990048816 in words is "nine hundred ninety million, forty-eight thousand, eight hundred sixteen".