455523320 has 64 divisors (see below), whose sum is σ = 1174219200. Its totient is φ = 155796480.

The previous prime is 455523311. The next prime is 455523337. The reversal of 455523320 is 23325554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127316 + ... + 130844.

It is an arithmetic number, because the mean of its divisors is an integer number (18347175).

Almost surely, 2^455523320 is an apocalyptic number.

455523320 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 455523320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587109600).

455523320 is an abundant number, since it is smaller than the sum of its proper divisors (718695880).

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

455523320 is a wasteful number, since it uses less digits than its factorization.

455523320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008 (or 4004 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 455523320 is about 21342.9922925535. The cubic root of 455523320 is about 769.4319304770.

Adding to 455523320 its reverse (23325554), we get a palindrome (478848874).

It can be divided in two parts, 4555 and 23320, that multiplied together give a triangular number (106222600 = T₁₄₅₇₅).

The spelling of 455523320 in words is "four hundred fifty-five million, five hundred twenty-three thousand, three hundred twenty".