442443404412 has 60 divisors (see below), whose sum is σ = 1156731441096. Its totient is φ = 147468768480.

The previous prime is 442443404383. The next prime is 442443404453. The reversal of 442443404412 is 214404344244.

It is a happy number.

442443404412 is a `hidden beast` number, since 4 + 4 + 244 + 3 + 404 + 4 + 1 + 2 = 666.

442443404412 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×442443404412² (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4330962 + ... + 4431942.

Almost surely, 2^442443404412 is an apocalyptic number.

It is an amenable number.

442443404412 is an abundant number, since it is smaller than the sum of its proper divisors (714288036684).

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

442443404412 is a wasteful number, since it uses less digits than its factorization.

442443404412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114520 (or 114509 counting only the distinct ones).

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

Adding to 442443404412 its reverse (214404344244), we get a palindrome (656847748656).

The spelling of 442443404412 in words is "four hundred forty-two billion, four hundred forty-three million, four hundred four thousand, four hundred twelve".