442788489916 has 48 divisors (see below), whose sum is σ = 823374244000. Its totient is φ = 207760101120.

The previous prime is 442788489907. The next prime is 442788489931. The reversal of 442788489916 is 619984887244.

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, 51596746 + ... + 51605326.

Almost surely, 2^442788489916 is an apocalyptic number.

It is an amenable number.

442788489916 is a deficient number, since it is larger than the sum of its proper divisors (380585754084).

442788489916 is a wasteful number, since it uses less digits than its factorization.

442788489916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14942 (or 14940 counting only the distinct ones).

The product of its digits is 222953472, while the sum is 70.

The spelling of 442788489916 in words is "four hundred forty-two billion, seven hundred eighty-eight million, four hundred eighty-nine thousand, nine hundred sixteen".