442343504 has 20 divisors (see below), whose sum is σ = 859594164. Its totient is φ = 220512768.

The previous prime is 442343471. The next prime is 442343533. The reversal of 442343504 is 405343244.

It can be written as a sum of positive squares in 2 ways, for example, as 36240400 + 406103104 = 6020^2 + 20152^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35627 + ... + 46410.

Almost surely, 2^442343504 is an apocalyptic number.

It is an amenable number.

442343504 is a deficient number, since it is larger than the sum of its proper divisors (417250660).

442343504 is a wasteful number, since it uses less digits than its factorization.

442343504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82382 (or 82376 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 442343504 is about 21031.9638645563. The cubic root of 442343504 is about 761.9384403853.

Adding to 442343504 its reverse (405343244), we get a palindrome (847686748).

The spelling of 442343504 in words is "four hundred forty-two million, three hundred forty-three thousand, five hundred four".