442663543170 has 96 divisors (see below), whose sum is σ = 1160360847360. Its totient is φ = 117076458240.

The previous prime is 442663543163. The next prime is 442663543177. The reversal of 442663543170 is 71345366244.

442663543170 is a `hidden beast` number, since 4 + 4 + 2 + 6 + 635 + 4 + 3 + 1 + 7 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (442663543163) and next prime (442663543177).

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 (442663543177) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67879510 + ... + 67886030.

It is an arithmetic number, because the mean of its divisors is an integer number (12087092160).

Almost surely, 2^442663543170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442663543170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580180423680).

442663543170 is an abundant number, since it is smaller than the sum of its proper divisors (717697304190).

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

442663543170 is a wasteful number, since it uses less digits than its factorization.

442663543170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12600 (or 12597 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 442663543170 in words is "four hundred forty-two billion, six hundred sixty-three million, five hundred forty-three thousand, one hundred seventy".