189022464000 has 1536 divisors, whose sum is σ = 772716672000. Its totient is φ = 45416448000.

The previous prime is 189022463941. The next prime is 189022464011. The reversal of 189022464000 is 464220981.

189022464000 is a `hidden beast` number, since 1 + 8 + 9 + 0 + 2 + 2 + 4 + 640 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1536).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4610303980 + ... + 4610304020.

It is an arithmetic number, because the mean of its divisors is an integer number (503070750).

Almost surely, 2^189022464000 is an apocalyptic number.

189022464000 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 189022464000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386358336000).

189022464000 is an abundant number, since it is smaller than the sum of its proper divisors (583694208000).

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

189022464000 is a wasteful number, since it uses less digits than its factorization.

189022464000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

Adding to 189022464000 its reverse (464220981), we get a palindrome (189486684981).

The spelling of 189022464000 in words is "one hundred eighty-nine billion, twenty-two million, four hundred sixty-four thousand".