442420230444012 has 36 divisors (see below), whose sum is σ = 1118611008680256. Its totient is φ = 147437676294240.

The previous prime is 442420230444007. The next prime is 442420230444043. The reversal of 442420230444012 is 210444032024244.

442420230444012 is a `hidden beast` number, since 4 + 4 + 2 + 4 + 202 + 3 + 0 + 4 + 440 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×442420230444012² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1488759939 + ... + 1489057082.

It is an arithmetic number, because the mean of its divisors is an integer number (31072528018896).

Almost surely, 2^{442420230444012} is an apocalyptic number.

It is an amenable number.

442420230444012 is an abundant number, since it is smaller than the sum of its proper divisors (676190778236244).

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

442420230444012 is a wasteful number, since it uses less digits than its factorization.

442420230444012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977821158 (or 2977821153 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 442420230444012 its reverse (210444032024244), we get a palindrome (652864262468256).

The spelling of 442420230444012 in words is "four hundred forty-two trillion, four hundred twenty billion, two hundred thirty million, four hundred forty-four thousand, twelve".