442660641144 has 48 divisors (see below), whose sum is σ = 1137369555000. Its totient is φ = 143565602688.

The previous prime is 442660641133. The next prime is 442660641161. The reversal of 442660641144 is 441146066244.

It is a junction number, because it is equal to n+sod(n) for n = 442660641096 and 442660641105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6703519 + ... + 6769230.

Almost surely, 2^442660641144 is an apocalyptic number.

It is an amenable number.

442660641144 is an abundant number, since it is smaller than the sum of its proper divisors (694708913856).

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

442660641144 is a wasteful number, since it uses less digits than its factorization.

442660641144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13472832 (or 13472791 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 442660641144 in words is "four hundred forty-two billion, six hundred sixty million, six hundred forty-one thousand, one hundred forty-four".