442420204239 has 72 divisors (see below), whose sum is σ = 703085472960. Its totient is φ = 267910695936.

The previous prime is 442420204231. The next prime is 442420204243. The reversal of 442420204239 is 932402024244.

442420204239 is a `hidden beast` number, since 4 + 4 + 2 + 420 + 204 + 23 + 9 = 666.

It is not a de Polignac number, because 442420204239 - 2³ = 442420204231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442420204231) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 50737722 + ... + 50746440.

Almost surely, 2^442420204239 is an apocalyptic number.

442420204239 is a deficient number, since it is larger than the sum of its proper divisors (260665268721).

442420204239 is a wasteful number, since it uses less digits than its factorization.

442420204239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9281 (or 9265 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 442420204239 in words is "four hundred forty-two billion, four hundred twenty million, two hundred four thousand, two hundred thirty-nine".