442459038746 has 8 divisors (see below), whose sum is σ = 663738398400. Its totient is φ = 221212905948.

The previous prime is 442459038677. The next prime is 442459038773. The reversal of 442459038746 is 647830954244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 442459038691 and 442459038700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8273396 + ... + 8326703.

It is an arithmetic number, because the mean of its divisors is an integer number (82967299800).

Almost surely, 2^442459038746 is an apocalyptic number.

442459038746 is a deficient number, since it is larger than the sum of its proper divisors (221279359654).

442459038746 is a wasteful number, since it uses less digits than its factorization.

442459038746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16613428.

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 442459038746 in words is "four hundred forty-two billion, four hundred fifty-nine million, thirty-eight thousand, seven hundred forty-six".