442243401232 has 80 divisors (see below), whose sum is σ = 873860944320. Its totient is φ = 216771158016.

The previous prime is 442243401227. The next prime is 442243401233. The reversal of 442243401232 is 232104342244.

It is a junction number, because it is equal to n+sod(n) for n = 442243401194 and 442243401203.

It is not an unprimeable number, because it can be changed into a prime (442243401233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234114144 + ... + 234116032.

It is an arithmetic number, because the mean of its divisors is an integer number (10923261804).

Almost surely, 2^442243401232 is an apocalyptic number.

It is an amenable number.

442243401232 is a deficient number, since it is larger than the sum of its proper divisors (431617543088).

442243401232 is a wasteful number, since it uses less digits than its factorization.

442243401232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080 (or 3074 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 442243401232 its reverse (232104342244), we get a palindrome (674347743476).

The spelling of 442243401232 in words is "four hundred forty-two billion, two hundred forty-three million, four hundred one thousand, two hundred thirty-two".