84180445194852 has 144 divisors (see below), whose sum is σ = 227812922168832. Its totient is φ = 27152125136640.

The previous prime is 84180445194847. The next prime is 84180445194899. The reversal of 84180445194852 is 25849154408148.

84180445194852 is a `hidden beast` number, since 8 + 4 + 18 + 0 + 4 + 451 + 94 + 85 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 84180445194852.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 296145898 + ... + 296430014.

It is an arithmetic number, because the mean of its divisors is an integer number (1582034181728).

Almost surely, 2^{84180445194852} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84180445194852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113906461084416).

84180445194852 is an abundant number, since it is smaller than the sum of its proper divisors (143632476973980).

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

84180445194852 is a wasteful number, since it uses less digits than its factorization.

84180445194852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294000 (or 293986 counting only the distinct ones).

The product of its (nonzero) digits is 58982400, while the sum is 63.

The spelling of 84180445194852 in words is "eighty-four trillion, one hundred eighty billion, four hundred forty-five million, one hundred ninety-four thousand, eight hundred fifty-two".