442422404442 has 12 divisors (see below), whose sum is σ = 958581876330. Its totient is φ = 147474134808.

The previous prime is 442422404383. The next prime is 442422404497. The reversal of 442422404442 is 244404224244.

442422404442 is a `hidden beast` number, since 4 + 4 + 242 + 2 + 404 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 352632881241 + 89789523201 = 593829^2 + 299649^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442422404397 and 442422404406.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12289511217 + ... + 12289511252.

Almost surely, 2^442422404442 is an apocalyptic number.

442422404442 is an abundant number, since it is smaller than the sum of its proper divisors (516159471888).

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

442422404442 is a wasteful number, since it uses less digits than its factorization.

442422404442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24579022477 (or 24579022474 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 442422404442 its reverse (244404224244), we get a palindrome (686826628686).

The spelling of 442422404442 in words is "four hundred forty-two billion, four hundred twenty-two million, four hundred four thousand, four hundred forty-two".