442412052 has 24 divisors (see below), whose sum is σ = 1067892000. Its totient is φ = 142385376.

The previous prime is 442412051. The next prime is 442412083. The reversal of 442412052 is 250214244.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442412051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635302 + ... + 635997.

It is an arithmetic number, because the mean of its divisors is an integer number (44495500).

Almost surely, 2^442412052 is an apocalyptic number.

It is an amenable number.

442412052 is an abundant number, since it is smaller than the sum of its proper divisors (625479948).

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

442412052 is a wasteful number, since it uses less digits than its factorization.

442412052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271335 (or 1271333 counting only the distinct ones).

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

The square root of 442412052 is about 21033.5934162473. The cubic root of 442412052 is about 761.9777964197.

Adding to 442412052 its reverse (250214244), we get a palindrome (692626296).

The spelling of 442412052 in words is "four hundred forty-two million, four hundred twelve thousand, fifty-two".