450253002220 has 72 divisors (see below), whose sum is σ = 1129630982256. Its totient is φ = 150200217216.

The previous prime is 450253002209. The next prime is 450253002317. The reversal of 450253002220 is 22200352054.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6172414 + ... + 6244933.

It is an arithmetic number, because the mean of its divisors is an integer number (15689319198).

Almost surely, 2^450253002220 is an apocalyptic number.

It is an amenable number.

450253002220 is an abundant number, since it is smaller than the sum of its proper divisors (679377980036).

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

450253002220 is a wasteful number, since it uses less digits than its factorization.

450253002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12417407 (or 12417398 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 450253002220 its reverse (22200352054), we get a palindrome (472453354274).

The spelling of 450253002220 in words is "four hundred fifty billion, two hundred fifty-three million, two thousand, two hundred twenty".