442042480648 has 32 divisors (see below), whose sum is σ = 832606293600. Its totient is φ = 220016055168.

The previous prime is 442042480559. The next prime is 442042480651. The reversal of 442042480648 is 846084240244.

It is a junction number, because it is equal to n+sod(n) for n = 442042480598 and 442042480607.

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, 1731015 + ... + 1969897.

It is an arithmetic number, because the mean of its divisors is an integer number (26018946675).

Almost surely, 2^442042480648 is an apocalyptic number.

It is an amenable number.

442042480648 is a deficient number, since it is larger than the sum of its proper divisors (390563812952).

442042480648 is a wasteful number, since it uses less digits than its factorization.

442042480648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239941 (or 239937 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 46.

The spelling of 442042480648 in words is "four hundred forty-two billion, forty-two million, four hundred eighty thousand, six hundred forty-eight".