1009788942208 has 96 divisors (see below), whose sum is σ = 2193109191000. Its totient is φ = 461826312192.

The previous prime is 1009788942187. The next prime is 1009788942259. The reversal of 1009788942208 is 8022498879001.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1798458 + ... + 2292166.

Almost surely, 2^{1009788942208} 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 1009788942208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096554595500).

1009788942208 is an abundant number, since it is smaller than the sum of its proper divisors (1183320248792).

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

1009788942208 is an equidigital number, since it uses as much as digits as its factorization.

1009788942208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493800 (or 493759 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 58.

The spelling of 1009788942208 in words is "one trillion, nine billion, seven hundred eighty-eight million, nine hundred forty-two thousand, two hundred eight".