442142052 has 48 divisors (see below), whose sum is σ = 1191661632. Its totient is φ = 126100480.

The previous prime is 442141957. The next prime is 442142053. The reversal of 442142052 is 250241244.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (442142053) 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, 96273 + ... + 100760.

It is an arithmetic number, because the mean of its divisors is an integer number (24826284).

Almost surely, 2^442142052 is an apocalyptic number.

It is an amenable number.

442142052 is an abundant number, since it is smaller than the sum of its proper divisors (749519580).

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

442142052 is a wasteful number, since it uses less digits than its factorization.

442142052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197068 (or 197066 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 442142052 is about 21027.1741325362. The cubic root of 442142052 is about 761.8227555321.

Adding to 442142052 its reverse (250241244), we get a palindrome (692383296).

The spelling of 442142052 in words is "four hundred forty-two million, one hundred forty-two thousand, fifty-two".