455052220 has 72 divisors (see below), whose sum is σ = 1123322256. Its totient is φ = 154377216.

The previous prime is 455052203. The next prime is 455052251. The reversal of 455052220 is 22250554.

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 23 ways as a sum of consecutive naturals, for example, 92667 + ... + 97453.

It is an arithmetic number, because the mean of its divisors is an integer number (15601698).

Almost surely, 2^455052220 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 455052220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561661128).

455052220 is an abundant number, since it is smaller than the sum of its proper divisors (668270036).

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

455052220 is a wasteful number, since it uses less digits than its factorization.

455052220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907 (or 4898 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 455052220 is about 21331.9530282626. The cubic root of 455052220 is about 769.1665913996.

The spelling of 455052220 in words is "four hundred fifty-five million, fifty-two thousand, two hundred twenty".