442001204424 has 96 divisors (see below), whose sum is σ = 1310304286200. Its totient is φ = 133770839040.

The previous prime is 442001204371. The next prime is 442001204441. The reversal of 442001204424 is 424402100244.

442001204424 is a `hidden beast` number, since 4 + 4 + 200 + 12 + 0 + 442 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 69268976100 + 372732228324 = 263190^2 + 610518^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3813589 + ... + 3927780.

Almost surely, 2^442001204424 is an apocalyptic number.

It is an amenable number.

442001204424 is an abundant number, since it is smaller than the sum of its proper divisors (868303081776).

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

442001204424 is a wasteful number, since it uses less digits than its factorization.

442001204424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7741455 (or 7741448 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 442001204424 its reverse (424402100244), we get a palindrome (866403304668).

The spelling of 442001204424 in words is "four hundred forty-two billion, one million, two hundred four thousand, four hundred twenty-four".