990583239360 has 448 divisors, whose sum is σ = 3780896232960. Its totient is φ = 216512593920.

The previous prime is 990583239323. The next prime is 990583239361. The reversal of 990583239360 is 63932385099.

It is a self number, because there is not a number n which added to its sum of digits gives 990583239360.

It is not an unprimeable number, because it can be changed into a prime (990583239361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5819136 + ... + 5986944.

It is an arithmetic number, because the mean of its divisors is an integer number (8439500520).

Almost surely, 2^990583239360 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 990583239360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1890448116480).

990583239360 is an abundant number, since it is smaller than the sum of its proper divisors (2790312993600).

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

990583239360 is a wasteful number, since it uses less digits than its factorization.

990583239360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167896 (or 167886 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 57.

The spelling of 990583239360 in words is "nine hundred ninety billion, five hundred eighty-three million, two hundred thirty-nine thousand, three hundred sixty".