442215023332 has 24 divisors (see below), whose sum is σ = 813685655160. Its totient is φ = 209983388160.

The previous prime is 442215023279. The next prime is 442215023363. The reversal of 442215023332 is 233320512244.

It can be written as a sum of positive squares in 4 ways, for example, as 500595876 + 441714427456 = 22374^2 + 664616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442215023294 and 442215023303.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31240453 + ... + 31254604.

It is an arithmetic number, because the mean of its divisors is an integer number (33903568965).

Almost surely, 2^442215023332 is an apocalyptic number.

It is an amenable number.

442215023332 is a deficient number, since it is larger than the sum of its proper divisors (371470631828).

442215023332 is a wasteful number, since it uses less digits than its factorization.

442215023332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62495151 (or 62495149 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 442215023332 its reverse (233320512244), we get a palindrome (675535535576).

The spelling of 442215023332 in words is "four hundred forty-two billion, two hundred fifteen million, twenty-three thousand, three hundred thirty-two".