447421812042 has 8 divisors (see below), whose sum is σ = 894843624096. Its totient is φ = 149140604012.

The previous prime is 447421812041. The next prime is 447421812143. The reversal of 447421812042 is 240218124744.

It is a sphenic number, since it is the product of 3 distinct primes.

447421812042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (447421812041) 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, 37285150998 + ... + 37285151009.

It is an arithmetic number, because the mean of its divisors is an integer number (111855453012).

Almost surely, 2^447421812042 is an apocalyptic number.

447421812042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447421812042 is a wasteful number, since it uses less digits than its factorization.

447421812042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74570302012.

The product of its (nonzero) digits is 114688, while the sum is 39.

Adding to 447421812042 its reverse (240218124744), we get a palindrome (687639936786).

The spelling of 447421812042 in words is "four hundred forty-seven billion, four hundred twenty-one million, eight hundred twelve thousand, forty-two".