454440324 has 72 divisors (see below), whose sum is σ = 1187948160. Its totient is φ = 134988672.

The previous prime is 454440323. The next prime is 454440341. The reversal of 454440324 is 423044454.

It is a junction number, because it is equal to n+sod(n) for n = 454440291 and 454440300.

It is not an unprimeable number, because it can be changed into a prime (454440323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54949 + ... + 62675.

It is an arithmetic number, because the mean of its divisors is an integer number (16499280).

Almost surely, 2^454440324 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 454440324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593974080).

454440324 is an abundant number, since it is smaller than the sum of its proper divisors (733507836).

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

454440324 is a wasteful number, since it uses less digits than its factorization.

454440324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7789 (or 7774 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 454440324 is about 21317.6059631470. The cubic root of 454440324 is about 768.8216778166.

Adding to 454440324 its reverse (423044454), we get a palindrome (877484778).

The spelling of 454440324 in words is "four hundred fifty-four million, four hundred forty thousand, three hundred twenty-four".