455112320 has 128 divisors (see below), whose sum is σ = 1233792000. Its totient is φ = 159141888.

The previous prime is 455112299. The next prime is 455112337. The reversal of 455112320 is 23211554.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156641 + ... + 159519.

It is an arithmetic number, because the mean of its divisors is an integer number (9639000).

Almost surely, 2^455112320 is an apocalyptic number.

455112320 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 455112320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616896000).

455112320 is an abundant number, since it is smaller than the sum of its proper divisors (778679680).

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

455112320 is a wasteful number, since it uses less digits than its factorization.

455112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930 (or 2918 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 455112320 is about 21333.3616666479. The cubic root of 455112320 is about 769.2004518923.

Adding to 455112320 its reverse (23211554), we get a palindrome (478323874).

The spelling of 455112320 in words is "four hundred fifty-five million, one hundred twelve thousand, three hundred twenty".