442443312124 has 48 divisors (see below), whose sum is σ = 867928997376. Its totient is φ = 195623942400.

The previous prime is 442443312107. The next prime is 442443312127. The reversal of 442443312124 is 421213344244.

It is a self number, because there is not a number n which added to its sum of digits gives 442443312124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442443312127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319197 + ... + 993364.

It is an arithmetic number, because the mean of its divisors is an integer number (18081854112).

Almost surely, 2^442443312124 is an apocalyptic number.

442443312124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442443312124 is a deficient number, since it is larger than the sum of its proper divisors (425485685252).

442443312124 is a wasteful number, since it uses less digits than its factorization.

442443312124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312786 (or 1312784 counting only the distinct ones).

The product of its digits is 73728, while the sum is 34.

Adding to 442443312124 its reverse (421213344244), we get a palindrome (863656656368).

The spelling of 442443312124 in words is "four hundred forty-two billion, four hundred forty-three million, three hundred twelve thousand, one hundred twenty-four".