442430220748 has 48 divisors (see below), whose sum is σ = 819638265600. Its totient is φ = 208381602240.

The previous prime is 442430220731. The next prime is 442430220763. The reversal of 442430220748 is 847022034244.

It is a super-2 number, since 2×442430220748² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442430220748.

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 15 ways as a sum of consecutive naturals, for example, 27405663 + ... + 27421801.

It is an arithmetic number, because the mean of its divisors is an integer number (17075797200).

Almost surely, 2^442430220748 is an apocalyptic number.

It is an amenable number.

442430220748 is a deficient number, since it is larger than the sum of its proper divisors (377208044852).

442430220748 is a wasteful number, since it uses less digits than its factorization.

442430220748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18190 (or 18188 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 40.

The spelling of 442430220748 in words is "four hundred forty-two billion, four hundred thirty million, two hundred twenty thousand, seven hundred forty-eight".