442705505208 has 64 divisors (see below), whose sum is σ = 1108352419200. Its totient is φ = 147356845440.

The previous prime is 442705505197. The next prime is 442705505237. The reversal of 442705505208 is 802505507244.

It is a self number, because there is not a number n which added to its sum of digits gives 442705505208.

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, 65282778 + ... + 65289558.

It is an arithmetic number, because the mean of its divisors is an integer number (17318006550).

Almost surely, 2^442705505208 is an apocalyptic number.

It is an amenable number.

442705505208 is an abundant number, since it is smaller than the sum of its proper divisors (665646913992).

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

442705505208 is a wasteful number, since it uses less digits than its factorization.

442705505208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10292 (or 10288 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 42.

The spelling of 442705505208 in words is "four hundred forty-two billion, seven hundred five million, five hundred five thousand, two hundred eight".