442020142312 has 32 divisors (see below), whose sum is σ = 947283160320. Its totient is φ = 189417775680.

The previous prime is 442020142309. The next prime is 442020142349. The reversal of 442020142312 is 213241020244.

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, 152958 + ... + 952594.

It is an arithmetic number, because the mean of its divisors is an integer number (29602598760).

Almost surely, 2^442020142312 is an apocalyptic number.

It is an amenable number.

442020142312 is an abundant number, since it is smaller than the sum of its proper divisors (505263018008).

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

442020142312 is a wasteful number, since it uses less digits than its factorization.

442020142312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809521 (or 809517 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 442020142312 its reverse (213241020244), we get a palindrome (655261162556).

The spelling of 442020142312 in words is "four hundred forty-two billion, twenty million, one hundred forty-two thousand, three hundred twelve".