442440400220232 has 32 divisors (see below), whose sum is σ = 1106115509656800. Its totient is φ = 147478198859264.

The previous prime is 442440400220201. The next prime is 442440400220267. The reversal of 442440400220232 is 232022004044244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442440400220193 and 442440400220202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119040873 + ... + 122701304.

It is an arithmetic number, because the mean of its divisors is an integer number (34566109676775).

Almost surely, 2^{442440400220232} is an apocalyptic number.

It is an amenable number.

442440400220232 is an abundant number, since it is smaller than the sum of its proper divisors (663675109436568).

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

442440400220232 is a wasteful number, since it uses less digits than its factorization.

442440400220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241818445 (or 241818441 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 442440400220232 its reverse (232022004044244), we get a palindrome (674462404264476).

The spelling of 442440400220232 in words is "four hundred forty-two trillion, four hundred forty billion, four hundred million, two hundred twenty thousand, two hundred thirty-two".