442662312 has 32 divisors (see below), whose sum is σ = 1114092000. Its totient is φ = 146562624.

The previous prime is 442662289. The next prime is 442662373. The reversal of 442662312 is 213266244.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 442662312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58318 + ... + 65469.

It is an arithmetic number, because the mean of its divisors is an integer number (34815375).

Almost surely, 2^442662312 is an apocalyptic number.

It is an amenable number.

442662312 is an abundant number, since it is smaller than the sum of its proper divisors (671429688).

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

442662312 is a wasteful number, since it uses less digits than its factorization.

442662312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123945 (or 123941 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 442662312 is about 21039.5416299880. The cubic root of 442662312 is about 762.1214457750.

The spelling of 442662312 in words is "four hundred forty-two million, six hundred sixty-two thousand, three hundred twelve".