454400312 has 16 divisors (see below), whose sum is σ = 852306840. Its totient is φ = 227118496.

The previous prime is 454400311. The next prime is 454400321. The reversal of 454400312 is 213004454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454400311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18038 + ... + 35130.

Almost surely, 2^454400312 is an apocalyptic number.

It is an amenable number.

454400312 is a deficient number, since it is larger than the sum of its proper divisors (397906528).

454400312 is a wasteful number, since it uses less digits than its factorization.

454400312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20422 (or 20418 counting only the distinct ones).

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

The square root of 454400312 is about 21316.6674693771. The cubic root of 454400312 is about 768.7991130673.

Adding to 454400312 its reverse (213004454), we get a palindrome (667404766).

The spelling of 454400312 in words is "four hundred fifty-four million, four hundred thousand, three hundred twelve".