189224432460 has 144 divisors (see below), whose sum is σ = 671977680192. Its totient is φ = 42196377600.

The previous prime is 189224432429. The next prime is 189224432513. The reversal of 189224432460 is 64234422981.

189224432460 is a `hidden beast` number, since 1 + 89 + 2 + 244 + 324 + 6 + 0 = 666.

189224432460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 47 ways as a sum of consecutive naturals, for example, 1779781 + ... + 1883100.

It is an arithmetic number, because the mean of its divisors is an integer number (4666511668).

Almost surely, 2^189224432460 is an apocalyptic number.

189224432460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189224432460 is an abundant number, since it is smaller than the sum of its proper divisors (482753247732).

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

189224432460 is a wasteful number, since it uses less digits than its factorization.

189224432460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662944 (or 3662939 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 189224432460 in words is "one hundred eighty-nine billion, two hundred twenty-four million, four hundred thirty-two thousand, four hundred sixty".