450321012 has 48 divisors (see below), whose sum is σ = 1169616000. Its totient is φ = 149834880.

The previous prime is 450320993. The next prime is 450321037. The reversal of 450321012 is 210123054.

450321012 is a `hidden beast` number, since 450 + 3 + 210 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between even and odd.

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 in 15 ways as a sum of consecutive naturals, for example, 61212 + ... + 68172.

It is an arithmetic number, because the mean of its divisors is an integer number (24367000).

Almost surely, 2^450321012 is an apocalyptic number.

It is an amenable number.

450321012 is an abundant number, since it is smaller than the sum of its proper divisors (719294988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450321012 is a wasteful number, since it uses less digits than its factorization.

450321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7573 (or 7565 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 450321012 is about 21220.7684121004. The cubic root of 450321012 is about 766.4916072472.

Adding to 450321012 its reverse (210123054), we get a palindrome (660444066).

The spelling of 450321012 in words is "four hundred fifty million, three hundred twenty-one thousand, twelve".