442413142185 has 64 divisors (see below), whose sum is σ = 810681011712. Its totient is φ = 201822283776.

The previous prime is 442413142183. The next prime is 442413142189. The reversal of 442413142185 is 581241314244.

It is not a de Polignac number, because 442413142185 - 2¹ = 442413142183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442413142183) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155942587 + ... + 155945423.

It is an arithmetic number, because the mean of its divisors is an integer number (12666890808).

Almost surely, 2^442413142185 is an apocalyptic number.

It is an amenable number.

442413142185 is a deficient number, since it is larger than the sum of its proper divisors (368267869527).

442413142185 is a wasteful number, since it uses less digits than its factorization.

442413142185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442.

The product of its digits is 122880, while the sum is 39.

The spelling of 442413142185 in words is "four hundred forty-two billion, four hundred thirteen million, one hundred forty-two thousand, one hundred eighty-five".