442004424442212 has 24 divisors (see below), whose sum is σ = 1032147510268896. Its totient is φ = 147219971970688.

The previous prime is 442004424442183. The next prime is 442004424442267. The reversal of 442004424442212 is 212244424400244.

It is a happy number.

It is a super-2 number, since 2×442004424442212² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14354506053 + ... + 14354536844.

It is an arithmetic number, because the mean of its divisors is an integer number (43006146261204).

Almost surely, 2^{442004424442212} is an apocalyptic number.

It is an amenable number.

442004424442212 is an abundant number, since it is smaller than the sum of its proper divisors (590143085826684).

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

442004424442212 is a wasteful number, since it uses less digits than its factorization.

442004424442212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28709044187 (or 28709044185 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 39.

Adding to 442004424442212 its reverse (212244424400244), we get a palindrome (654248848842456).

The spelling of 442004424442212 in words is "four hundred forty-two trillion, four billion, four hundred twenty-four million, four hundred forty-two thousand, two hundred twelve".