442230400132 has 12 divisors (see below), whose sum is σ = 780751901916. Its totient is φ = 219158428160.

The previous prime is 442230400127. The next prime is 442230400141. The reversal of 442230400132 is 231004032244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 249064876096 + 193165524036 = 499064^2 + 439506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442230400097 and 442230400106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489192469 + ... + 489193372.

It is an arithmetic number, because the mean of its divisors is an integer number (65062658493).

Almost surely, 2^442230400132 is an apocalyptic number.

It is an amenable number.

442230400132 is a deficient number, since it is larger than the sum of its proper divisors (338521501784).

442230400132 is a wasteful number, since it uses less digits than its factorization.

442230400132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978385958 (or 978385956 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 442230400132 its reverse (231004032244), we get a palindrome (673234432376).

The spelling of 442230400132 in words is "four hundred forty-two billion, two hundred thirty million, four hundred thousand, one hundred thirty-two".