442024403144 has 16 divisors (see below), whose sum is σ = 828845041920. Its totient is φ = 220999058640.

The previous prime is 442024403137. The next prime is 442024403147. The reversal of 442024403144 is 441304420244.

It is a self number, because there is not a number n which added to its sum of digits gives 442024403144.

It is not an unprimeable number, because it can be changed into a prime (442024403147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499192 + ... + 1769639.

It is an arithmetic number, because the mean of its divisors is an integer number (51802815120).

Almost surely, 2^442024403144 is an apocalyptic number.

It is an amenable number.

442024403144 is a deficient number, since it is larger than the sum of its proper divisors (386820638776).

442024403144 is a wasteful number, since it uses less digits than its factorization.

442024403144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285740 (or 3285736 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 442024403144 its reverse (441304420244), we get a palindrome (883328823388).

The spelling of 442024403144 in words is "four hundred forty-two billion, twenty-four million, four hundred three thousand, one hundred forty-four".