442182281244 has 48 divisors (see below), whose sum is σ = 1125633653760. Its totient is φ = 133985255040.

The previous prime is 442182281237. The next prime is 442182281257.

442182281244 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×442182281244² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442182281196 and 442182281205.

It is a congruent number.

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, 1908597 + ... + 2127699.

It is an arithmetic number, because the mean of its divisors is an integer number (23450701120).

Almost surely, 2^442182281244 is an apocalyptic number.

442182281244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442182281244 is an abundant number, since it is smaller than the sum of its proper divisors (683451372516).

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

442182281244 is a wasteful number, since it uses less digits than its factorization.

442182281244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234410 (or 234408 counting only the distinct ones).

The product of its digits is 262144, while the sum is 42.

The spelling of 442182281244 in words is "four hundred forty-two billion, one hundred eighty-two million, two hundred eighty-one thousand, two hundred forty-four".