442043652 has 24 divisors (see below), whose sum is σ = 1038967776. Its totient is φ = 146271808.

The previous prime is 442043633. The next prime is 442043653. The reversal of 442043652 is 256340244.

It is not an unprimeable number, because it can be changed into a prime (442043653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132798 + ... + 136085.

It is an arithmetic number, because the mean of its divisors is an integer number (43290324).

Almost surely, 2^442043652 is an apocalyptic number.

It is an amenable number.

442043652 is an abundant number, since it is smaller than the sum of its proper divisors (596924124).

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

442043652 is a wasteful number, since it uses less digits than its factorization.

442043652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269027 (or 269025 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 442043652 is about 21024.8341729489. The cubic root of 442043652 is about 761.7662360488.

Adding to 442043652 its reverse (256340244), we get a palindrome (698383896).

The spelling of 442043652 in words is "four hundred forty-two million, forty-three thousand, six hundred fifty-two".