442005111320 has 64 divisors (see below), whose sum is σ = 1001406762720. Its totient is φ = 175578568704.

The previous prime is 442005111287. The next prime is 442005111329. The reversal of 442005111320 is 23111500244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442005111329) 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, 6074192 + ... + 6146528.

Almost surely, 2^442005111320 is an apocalyptic number.

442005111320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442005111320 is an abundant number, since it is smaller than the sum of its proper divisors (559401651400).

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

442005111320 is a wasteful number, since it uses less digits than its factorization.

442005111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73404 (or 73400 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 442005111320 its reverse (23111500244), we get a palindrome (465116611564).

The spelling of 442005111320 in words is "four hundred forty-two billion, five million, one hundred eleven thousand, three hundred twenty".