442815196 has 12 divisors (see below), whose sum is σ = 779568048. Its totient is φ = 220081472.

The previous prime is 442815193. The next prime is 442815229. The reversal of 442815196 is 691518244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442815193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330781 + ... + 332116.

It is an arithmetic number, because the mean of its divisors is an integer number (64964004).

Almost surely, 2^442815196 is an apocalyptic number.

It is an amenable number.

442815196 is a deficient number, since it is larger than the sum of its proper divisors (336752852).

442815196 is a wasteful number, since it uses less digits than its factorization.

442815196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663068 (or 663066 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 442815196 is about 21043.1745703922. The cubic root of 442815196 is about 762.2091746229.

The spelling of 442815196 in words is "four hundred forty-two million, eight hundred fifteen thousand, one hundred ninety-six".