455244643230 has 128 divisors (see below), whose sum is σ = 1188691918848. Its totient is φ = 110915868672.

The previous prime is 455244643229. The next prime is 455244643247. The reversal of 455244643230 is 32346442554.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21435877 + ... + 21457103.

It is an arithmetic number, because the mean of its divisors is an integer number (9286655616).

Almost surely, 2^455244643230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455244643230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594345959424).

455244643230 is an abundant number, since it is smaller than the sum of its proper divisors (733447275618).

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

455244643230 is a wasteful number, since it uses less digits than its factorization.

455244643230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21810.

The product of its (nonzero) digits is 1382400, while the sum is 42.

The spelling of 455244643230 in words is "four hundred fifty-five billion, two hundred forty-four million, six hundred forty-three thousand, two hundred thirty".