455534320 has 80 divisors (see below), whose sum is σ = 1143408960. Its totient is φ = 168261632.

The previous prime is 455534309. The next prime is 455534323. The reversal of 455534320 is 23435554.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455534323) 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, 49092 + ... + 57628.

It is an arithmetic number, because the mean of its divisors is an integer number (14292612).

Almost surely, 2^455534320 is an apocalyptic number.

455534320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

455534320 is the 10672-nd decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455534320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571704480).

455534320 is an abundant number, since it is smaller than the sum of its proper divisors (687874640).

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

455534320 is a wasteful number, since it uses less digits than its factorization.

455534320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8602 (or 8596 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 455534320 is about 21343.2499868225. The cubic root of 455534320 is about 769.4381238541.

Adding to 455534320 its reverse (23435554), we get a palindrome (478969874).

The spelling of 455534320 in words is "four hundred fifty-five million, five hundred thirty-four thousand, three hundred twenty".