450404404 has 24 divisors (see below), whose sum is σ = 820931328. Its totient is φ = 216024480.

The previous prime is 450404401. The next prime is 450404411. The reversal of 450404404 is 404404054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450404401) 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, 10924 + ... + 31939.

It is an arithmetic number, because the mean of its divisors is an integer number (34205472).

Almost surely, 2^450404404 is an apocalyptic number.

It is an amenable number.

450404404 is a deficient number, since it is larger than the sum of its proper divisors (370526924).

450404404 is a wasteful number, since it uses less digits than its factorization.

450404404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42975 (or 42973 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 450404404 is about 21222.7331887295. The cubic root of 450404404 is about 766.5389181811.

Adding to 450404404 its reverse (404404054), we get a palindrome (854808458).

The spelling of 450404404 in words is "four hundred fifty million, four hundred four thousand, four hundred four".