450503000000 has 98 divisors (see below), whose sum is σ = 1117446790248. Its totient is φ = 180200800000.

The previous prime is 450502999997. The next prime is 450503000021. The reversal of 450503000000 is 305054.

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 13 ways as a sum of consecutive naturals, for example, 774749 + ... + 1225251.

Almost surely, 2^450503000000 is an apocalyptic number.

450503000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450503000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558723395124).

450503000000 is an abundant number, since it is smaller than the sum of its proper divisors (666943790248).

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

450503000000 is an frugal number, since it uses more digits than its factorization.

450503000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450545 (or 450510 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

Adding to 450503000000 its reverse (305054), we get a palindrome (450503305054).

The spelling of 450503000000 in words is "four hundred fifty billion, five hundred three million", and thus it is an aban number.