450316072 has 8 divisors (see below), whose sum is σ = 844342650. Its totient is φ = 225158032.

The previous prime is 450316067. The next prime is 450316073. The reversal of 450316072 is 270613054.

It can be written as a sum of positive squares in only one way, i.e., 306460036 + 143856036 = 17506^2 + 11994^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 450316072.

It is not an unprimeable number, because it can be changed into a prime (450316073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28144747 + ... + 28144762.

Almost surely, 2^450316072 is an apocalyptic number.

It is an amenable number.

450316072 is a deficient number, since it is larger than the sum of its proper divisors (394026578).

450316072 is a wasteful number, since it uses less digits than its factorization.

450316072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56289515 (or 56289511 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 450316072 is about 21220.6520163731. The cubic root of 450316072 is about 766.4888044449.

The spelling of 450316072 in words is "four hundred fifty million, three hundred sixteen thousand, seventy-two".