453440232 has 96 divisors (see below), whose sum is σ = 1406945280. Its totient is φ = 129237120.

The previous prime is 453440231. The next prime is 453440233. The reversal of 453440232 is 232044354.

It is an interprime number because it is at equal distance from previous prime (453440231) and next prime (453440233).

It is a junction number, because it is equal to n+sod(n) for n = 453440196 and 453440205.

It is not an unprimeable number, because it can be changed into a prime (453440231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271833 + ... + 273495.

It is an arithmetic number, because the mean of its divisors is an integer number (14655680).

Almost surely, 2^453440232 is an apocalyptic number.

453440232 is a gapful number since it is divisible by the number (42) 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 453440232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703472640).

453440232 is an abundant number, since it is smaller than the sum of its proper divisors (953505048).

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

453440232 is a wasteful number, since it uses less digits than its factorization.

453440232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223 (or 2216 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 453440232 is about 21294.1360942397. The cubic root of 453440232 is about 768.2572787113.

Adding to 453440232 its reverse (232044354), we get a palindrome (685484586).

The spelling of 453440232 in words is "four hundred fifty-three million, four hundred forty thousand, two hundred thirty-two".