442343532 has 48 divisors (see below), whose sum is σ = 1056343680. Its totient is φ = 144021888.

The previous prime is 442343471. The next prime is 442343533. The reversal of 442343532 is 235343244.

It is a self number, because there is not a number n which added to its sum of digits gives 442343532.

It is not an unprimeable number, because it can be changed into a prime (442343533) 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, 113488 + ... + 117320.

It is an arithmetic number, because the mean of its divisors is an integer number (22007160).

Almost surely, 2^442343532 is an apocalyptic number.

It is an amenable number.

442343532 is an abundant number, since it is smaller than the sum of its proper divisors (614000148).

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

442343532 is a wasteful number, since it uses less digits than its factorization.

442343532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062 (or 4060 counting only the distinct ones).

The product of its digits is 34560, while the sum is 30.

The square root of 442343532 is about 21031.9645302097. The cubic root of 442343532 is about 761.9384564620.

Adding to 442343532 its reverse (235343244), we get a palindrome (677686776).

The spelling of 442343532 in words is "four hundred forty-two million, three hundred forty-three thousand, five hundred thirty-two".