442400040420 has 96 divisors (see below), whose sum is σ = 1347214498560. Its totient is φ = 107820249600.

The previous prime is 442400040377. The next prime is 442400040421. The reversal of 442400040420 is 24040004244.

It is not an unprimeable number, because it can be changed into a prime (442400040421) 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 31 ways as a sum of consecutive naturals, for example, 2729040 + ... + 2886599.

It is an arithmetic number, because the mean of its divisors is an integer number (14033484360).

Almost surely, 2^442400040420 is an apocalyptic number.

It is an amenable number.

442400040420 is an abundant number, since it is smaller than the sum of its proper divisors (904814458140).

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

442400040420 is a wasteful number, since it uses less digits than its factorization.

442400040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615765 (or 5615763 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 442400040420 its reverse (24040004244), we get a palindrome (466440044664).

The spelling of 442400040420 in words is "four hundred forty-two billion, four hundred million, forty thousand, four hundred twenty".