442552812 has 48 divisors (see below), whose sum is σ = 1114095360. Its totient is φ = 135920448.

The previous prime is 442552793. The next prime is 442552829. The reversal of 442552812 is 218255244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94273 + ... + 98855.

It is an arithmetic number, because the mean of its divisors is an integer number (23210320).

Almost surely, 2^442552812 is an apocalyptic number.

It is an amenable number.

442552812 is an abundant number, since it is smaller than the sum of its proper divisors (671542548).

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

442552812 is a wasteful number, since it uses less digits than its factorization.

442552812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5222 (or 5220 counting only the distinct ones).

The product of its digits is 25600, while the sum is 33.

The square root of 442552812 is about 21036.9392260376. The cubic root of 442552812 is about 762.0585993885.

The spelling of 442552812 in words is "four hundred forty-two million, five hundred fifty-two thousand, eight hundred twelve".