450623112 has 64 divisors (see below), whose sum is σ = 1168992000. Its totient is φ = 144582144.

The previous prime is 450623093. The next prime is 450623123. The reversal of 450623112 is 211326054.

It is a super-2 number, since 2×450623112² = 406122378137129088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 283873 + ... + 285455.

It is an arithmetic number, because the mean of its divisors is an integer number (18265500).

Almost surely, 2^450623112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450623112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584496000).

450623112 is an abundant number, since it is smaller than the sum of its proper divisors (718368888).

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

450623112 is a wasteful number, since it uses less digits than its factorization.

450623112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2026 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 450623112 is about 21227.8852455915. The cubic root of 450623112 is about 766.6629704506.

Adding to 450623112 its reverse (211326054), we get a palindrome (661949166).

The spelling of 450623112 in words is "four hundred fifty million, six hundred twenty-three thousand, one hundred twelve".