442523132 has 24 divisors (see below), whose sum is σ = 785480976. Its totient is φ = 218112128.

The previous prime is 442523131. The next prime is 442523173. The reversal of 442523132 is 231325244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442523131) 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, 183728 + ... + 186120.

It is an arithmetic number, because the mean of its divisors is an integer number (32728374).

Almost surely, 2^442523132 is an apocalyptic number.

It is an amenable number.

442523132 is a deficient number, since it is larger than the sum of its proper divisors (342957844).

442523132 is a wasteful number, since it uses less digits than its factorization.

442523132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037 (or 3035 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 442523132 is about 21036.2337883947. The cubic root of 442523132 is about 762.0415630753.

Adding to 442523132 its reverse (231325244), we get a palindrome (673848376).

The spelling of 442523132 in words is "four hundred forty-two million, five hundred twenty-three thousand, one hundred thirty-two".