189285822000 has 480 divisors, whose sum is σ = 747946128384. Its totient is φ = 45886176000.

The previous prime is 189285821987. The next prime is 189285822001. The reversal of 189285822000 is 228582981.

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

It is not an unprimeable number, because it can be changed into a prime (189285822001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5328297 + ... + 5363703.

Almost surely, 2^189285822000 is an apocalyptic number.

189285822000 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 189285822000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373973064192).

189285822000 is an abundant number, since it is smaller than the sum of its proper divisors (558660306384).

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

189285822000 is a wasteful number, since it uses less digits than its factorization.

189285822000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35456 (or 35428 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 189285822000 in words is "one hundred eighty-nine billion, two hundred eighty-five million, eight hundred twenty-two thousand".