442312044 has 48 divisors (see below), whose sum is σ = 1044062208. Its totient is φ = 145732608.

The previous prime is 442312033. The next prime is 442312049. The reversal of 442312044 is 440213244.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (442312049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766284 + ... + 766860.

It is an arithmetic number, because the mean of its divisors is an integer number (21751296).

Almost surely, 2^442312044 is an apocalyptic number.

It is an amenable number.

442312044 is an abundant number, since it is smaller than the sum of its proper divisors (601750164).

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

442312044 is a wasteful number, since it uses less digits than its factorization.

442312044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1212 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 442312044 is about 21031.2159420229. The cubic root of 442312044 is about 761.9203766321.

Adding to 442312044 its reverse (440213244), we get a palindrome (882525288).

The spelling of 442312044 in words is "four hundred forty-two million, three hundred twelve thousand, forty-four".