442342340 has 24 divisors (see below), whose sum is σ = 1013366592. Its totient is φ = 160851680.

The previous prime is 442342339. The next prime is 442342349. The reversal of 442342340 is 43243244.

It is not an unprimeable number, because it can be changed into a prime (442342349) 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, 1005104 + ... + 1005543.

It is an arithmetic number, because the mean of its divisors is an integer number (42223608).

Almost surely, 2^442342340 is an apocalyptic number.

It is an amenable number.

442342340 is an abundant number, since it is smaller than the sum of its proper divisors (571024252).

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

442342340 is a wasteful number, since it uses less digits than its factorization.

442342340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010667 (or 2010665 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 442342340 is about 21031.9361923718. The cubic root of 442342340 is about 761.9377720532.

Adding to 442342340 its reverse (43243244), we get a palindrome (485585584).

The spelling of 442342340 in words is "four hundred forty-two million, three hundred forty-two thousand, three hundred forty".