450002012320 has 96 divisors (see below), whose sum is σ = 1215126734976. Its totient is φ = 154271001600.

The previous prime is 450002012297. The next prime is 450002012329. The reversal of 450002012320 is 23210200054.

It is a super-2 number, since 2×450002012320² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (450002012329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21696355 + ... + 21717085.

It is an arithmetic number, because the mean of its divisors is an integer number (12657570156).

Almost surely, 2^450002012320 is an apocalyptic number.

450002012320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450002012320 is an abundant number, since it is smaller than the sum of its proper divisors (765124722656).

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

450002012320 is a wasteful number, since it uses less digits than its factorization.

450002012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40134 (or 40126 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 450002012320 its reverse (23210200054), we get a palindrome (473212212374).

The spelling of 450002012320 in words is "four hundred fifty billion, two million, twelve thousand, three hundred twenty".