442125004171 has 16 divisors (see below), whose sum is σ = 458788492800. Its totient is φ = 425557012608.

The previous prime is 442125004147. The next prime is 442125004267. The reversal of 442125004171 is 171400521244.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442125004171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442125004771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31135045 + ... + 31149241.

It is an arithmetic number, because the mean of its divisors is an integer number (28674280800).

Almost surely, 2^442125004171 is an apocalyptic number.

442125004171 is a deficient number, since it is larger than the sum of its proper divisors (16663488629).

442125004171 is a wasteful number, since it uses less digits than its factorization.

442125004171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17478.

The product of its (nonzero) digits is 8960, while the sum is 31.

The spelling of 442125004171 in words is "four hundred forty-two billion, one hundred twenty-five million, four thousand, one hundred seventy-one".