442304002 has 32 divisors (see below), whose sum is σ = 811699200. Its totient is φ = 176532048.

The previous prime is 442303999. The next prime is 442304003. The reversal of 442304002 is 200403244.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (442304003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1603 + ... + 29785.

It is an arithmetic number, because the mean of its divisors is an integer number (25365600).

Almost surely, 2^442304002 is an apocalyptic number.

442304002 is a deficient number, since it is larger than the sum of its proper divisors (369395198).

442304002 is a wasteful number, since it uses less digits than its factorization.

442304002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28270.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 442304002 is about 21031.0247491652. The cubic root of 442304002 is about 761.9157589262.

Adding to 442304002 its reverse (200403244), we get a palindrome (642707246).

The spelling of 442304002 in words is "four hundred forty-two million, three hundred four thousand, two".