442320023244 has 48 divisors (see below), whose sum is σ = 1140157509120. Its totient is φ = 132339704640.

The previous prime is 442320023221. The next prime is 442320023269.

442320023244 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21197859 + ... + 21218714.

It is an arithmetic number, because the mean of its divisors is an integer number (23753281440).

Almost surely, 2^442320023244 is an apocalyptic number.

442320023244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442320023244 is an abundant number, since it is smaller than the sum of its proper divisors (697837485876).

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

442320023244 is a wasteful number, since it uses less digits than its factorization.

442320023244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42416670 (or 42416668 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

It can be divided in two parts, 4423200 and 23244, that added together give a palindrome (4446444).

The spelling of 442320023244 in words is "four hundred forty-two billion, three hundred twenty million, twenty-three thousand, two hundred forty-four".