442449512 has 16 divisors (see below), whose sum is σ = 845246340. Its totient is φ = 217050496.

The previous prime is 442449503. The next prime is 442449517. The reversal of 442449512 is 215944244.

It can be written as a sum of positive squares in 2 ways, for example, as 439908676 + 2540836 = 20974^2 + 1594^2 .

It is not an unprimeable number, because it can be changed into a prime (442449517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521333 + ... + 522180.

Almost surely, 2^442449512 is an apocalyptic number.

It is an amenable number.

442449512 is a deficient number, since it is larger than the sum of its proper divisors (402796828).

442449512 is a wasteful number, since it uses less digits than its factorization.

442449512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043572 (or 1043568 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 442449512 is about 21034.4838776710. The cubic root of 442449512 is about 761.9993019239. Note that the first 3 decimals are identical.

The spelling of 442449512 in words is "four hundred forty-two million, four hundred forty-nine thousand, five hundred twelve".