442232311232 has 28 divisors (see below), whose sum is σ = 882938534856. Its totient is φ = 219759609600.

The previous prime is 442232311229. The next prime is 442232311249. The reversal of 442232311232 is 232113232244.

It is a junction number, because it is equal to n+sod(n) for n = 442232311195 and 442232311204.

It is a congruent number.

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, 21185519 + ... + 21206382.

It is an arithmetic number, because the mean of its divisors is an integer number (31533519102).

Almost surely, 2^442232311232 is an apocalyptic number.

It is an amenable number.

442232311232 is a deficient number, since it is larger than the sum of its proper divisors (440706223624).

442232311232 is a wasteful number, since it uses less digits than its factorization.

442232311232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42392076 (or 42392066 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 442232311232 its reverse (232113232244), we get a palindrome (674345543476).

The spelling of 442232311232 in words is "four hundred forty-two billion, two hundred thirty-two million, three hundred eleven thousand, two hundred thirty-two".