442849288 has 16 divisors (see below), whose sum is σ = 948962880. Its totient is φ = 189792528.

The previous prime is 442849271. The next prime is 442849289. The reversal of 442849288 is 882948244.

It is a happy number.

It is a super-2 number, since 2×442849288² = 392230983764213888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442849289) 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 3 ways as a sum of consecutive naturals, for example, 3953956 + ... + 3954067.

It is an arithmetic number, because the mean of its divisors is an integer number (59310180).

Almost surely, 2^442849288 is an apocalyptic number.

It is an amenable number.

442849288 is an abundant number, since it is smaller than the sum of its proper divisors (506113592).

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

442849288 is a wasteful number, since it uses less digits than its factorization.

442849288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908036 (or 7908032 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 49.

The square root of 442849288 is about 21043.9846036819. The cubic root of 442849288 is about 762.2287347528.

The spelling of 442849288 in words is "four hundred forty-two million, eight hundred forty-nine thousand, two hundred eighty-eight".