289506680000 has 140 divisors (see below), whose sum is σ = 719359668720. Its totient is φ = 115564416000.

The previous prime is 289506679999. The next prime is 289506680039. The reversal of 289506680000 is 86605982.

It is a happy 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 19 ways as a sum of consecutive naturals, for example, 20112806 + ... + 20127194.

It is an arithmetic number, because the mean of its divisors is an integer number (5138283348).

Almost surely, 2^289506680000 is an apocalyptic number.

289506680000 is a gapful number since it is divisible by the number (20) 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 289506680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359679834360).

289506680000 is an abundant number, since it is smaller than the sum of its proper divisors (429852988720).

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

289506680000 is an equidigital number, since it uses as much as digits as its factorization.

289506680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14924 (or 14899 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 289506680000 in words is "two hundred eighty-nine billion, five hundred six million, six hundred eighty thousand".