450404312 has 8 divisors (see below), whose sum is σ = 844508100. Its totient is φ = 225202152.

The previous prime is 450404309. The next prime is 450404321. The reversal of 450404312 is 213404054.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28150262 + ... + 28150277.

Almost surely, 2^450404312 is an apocalyptic number.

It is an amenable number.

450404312 is a deficient number, since it is larger than the sum of its proper divisors (394103788).

450404312 is a wasteful number, since it uses less digits than its factorization.

450404312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56300545 (or 56300541 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 450404312 is about 21222.7310212423. The cubic root of 450404312 is about 766.5388659898.

Adding to 450404312 its reverse (213404054), we get a palindrome (663808366).

The spelling of 450404312 in words is "four hundred fifty million, four hundred four thousand, three hundred twelve".