442380204 has 60 divisors (see below), whose sum is σ = 1321685904. Its totient is φ = 126393696.

The previous prime is 442380193. The next prime is 442380209. The reversal of 442380204 is 402083244.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (442380209) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 95259 + ... + 99794.

Almost surely, 2^442380204 is an apocalyptic number.

It is an amenable number.

442380204 is an abundant number, since it is smaller than the sum of its proper divisors (879305700).

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

442380204 is a wasteful number, since it uses less digits than its factorization.

442380204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195076 (or 195065 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 442380204 is about 21032.8363279896. The cubic root of 442380204 is about 761.9595117678.

The spelling of 442380204 in words is "four hundred forty-two million, three hundred eighty thousand, two hundred four".