450544432 has 40 divisors (see below), whose sum is σ = 945408240. Its totient is φ = 206764800.

The previous prime is 450544427. The next prime is 450544469. The reversal of 450544432 is 234445054.

It is a junction number, because it is equal to n+sod(n) for n = 450544394 and 450544403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31182 + ... + 43282.

It is an arithmetic number, because the mean of its divisors is an integer number (23635206).

Almost surely, 2^450544432 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 450544432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472704120).

450544432 is an abundant number, since it is smaller than the sum of its proper divisors (494863808).

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

450544432 is a wasteful number, since it uses less digits than its factorization.

450544432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12301 (or 12295 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 450544432 is about 21226.0319419339. The cubic root of 450544432 is about 766.6183473853.

Adding to 450544432 its reverse (234445054), we get a palindrome (684989486).

The spelling of 450544432 in words is "four hundred fifty million, five hundred forty-four thousand, four hundred thirty-two".