442312213244 has 48 divisors (see below), whose sum is σ = 855064226016. Its totient is φ = 198525984000.

The previous prime is 442312213219. The next prime is 442312213247.

It is a happy number.

442312213244 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 442312213244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442312213247) 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, 1524194 + ... + 1791030.

It is an arithmetic number, because the mean of its divisors is an integer number (17813838042).

Almost surely, 2^442312213244 is an apocalyptic number.

442312213244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442312213244 is a deficient number, since it is larger than the sum of its proper divisors (412752012772).

442312213244 is a wasteful number, since it uses less digits than its factorization.

442312213244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267326 (or 267324 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

It can be divided in two parts, 442312 and 213244, that added together give a palindrome (655556).

The spelling of 442312213244 in words is "four hundred forty-two billion, three hundred twelve million, two hundred thirteen thousand, two hundred forty-four".