445632004 has 48 divisors (see below), whose sum is σ = 850348800. Its totient is φ = 203648256.

The previous prime is 445631983. The next prime is 445632013. The reversal of 445632004 is 400236544.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259902 + ... + 261610.

It is an arithmetic number, because the mean of its divisors is an integer number (17715600).

Almost surely, 2^445632004 is an apocalyptic number.

It is an amenable number.

445632004 is a deficient number, since it is larger than the sum of its proper divisors (404716796).

445632004 is a wasteful number, since it uses less digits than its factorization.

445632004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852 (or 1850 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 445632004 is about 21109.9977261960. The cubic root of 445632004 is about 763.8219320391.

Adding to 445632004 its reverse (400236544), we get a palindrome (845868548).

The spelling of 445632004 in words is "four hundred forty-five million, six hundred thirty-two thousand, four".