450543424 has 56 divisors (see below), whose sum is σ = 925299648. Its totient is φ = 217512960.

The previous prime is 450543403. The next prime is 450543433. The reversal of 450543424 is 424345054.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 269439 + ... + 271105.

It is an arithmetic number, because the mean of its divisors is an integer number (16523208).

Almost surely, 2^450543424 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 450543424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462649824).

450543424 is an abundant number, since it is smaller than the sum of its proper divisors (474756224).

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

450543424 is a wasteful number, since it uses less digits than its factorization.

450543424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823 (or 1813 counting only the distinct ones).

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

The square root of 450543424 is about 21226.0081974921. The cubic root of 450543424 is about 766.6177756682.

Adding to 450543424 its reverse (424345054), we get a palindrome (874888478).

The spelling of 450543424 in words is "four hundred fifty million, five hundred forty-three thousand, four hundred twenty-four".