189449180770560 has 288 divisors, whose sum is σ = 638946213534720. Its totient is φ = 47706946560000.

The previous prime is 189449180770559. The next prime is 189449180770601. The reversal of 189449180770560 is 65077081944981.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18515935 + ... + 26865185.

It is an arithmetic number, because the mean of its divisors is an integer number (2218563241440).

Almost surely, 2^{189449180770560} is an apocalyptic number.

189449180770560 is a gapful number since it is divisible by the number (10) 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 189449180770560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319473106767360).

189449180770560 is an abundant number, since it is smaller than the sum of its proper divisors (449497032764160).

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

189449180770560 is a wasteful number, since it uses less digits than its factorization.

189449180770560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8349605 (or 8349591 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 69.

The spelling of 189449180770560 in words is "one hundred eighty-nine trillion, four hundred forty-nine billion, one hundred eighty million, seven hundred seventy thousand, five hundred sixty".