189582708042 has 144 divisors (see below), whose sum is σ = 523305226080. Its totient is φ = 49152204864.

The previous prime is 189582708023. The next prime is 189582708061. The reversal of 189582708042 is 240807285981.

189582708042 is a `hidden beast` number, since 18 + 9 + 582 + 7 + 0 + 8 + 0 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (189582708023) and next prime (189582708061).

It is a super-2 number, since 2×189582708042² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 189582708042.

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 71 ways as a sum of consecutive naturals, for example, 536373 + ... + 816615.

It is an arithmetic number, because the mean of its divisors is an integer number (3634064070).

Almost surely, 2^189582708042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189582708042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261652613040).

189582708042 is an abundant number, since it is smaller than the sum of its proper divisors (333722518038).

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

189582708042 is a wasteful number, since it uses less digits than its factorization.

189582708042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280337 (or 280327 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 189582708042 in words is "one hundred eighty-nine billion, five hundred eighty-two million, seven hundred eight thousand, forty-two".