989925300000 has 2880 divisors, whose sum is σ = 4802182640640. Its totient is φ = 194088960000.

The previous prime is 989925299977. The next prime is 989925300037. The reversal of 989925300000 is 3529989.

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 Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 479 ways as a sum of consecutive naturals, for example, 12530699961 + ... + 12530700039.

It is an arithmetic number, because the mean of its divisors is an integer number (1667424528).

Almost surely, 2^989925300000 is an apocalyptic number.

989925300000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989925300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2401091320320).

989925300000 is an abundant number, since it is smaller than the sum of its proper divisors (3812257340640).

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

989925300000 is a wasteful number, since it uses less digits than its factorization.

989925300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

Adding to 989925300000 its reverse (3529989), we get a palindrome (989928829989).

The spelling of 989925300000 in words is "nine hundred eighty-nine billion, nine hundred twenty-five million, three hundred thousand".