453521424 has 80 divisors (see below), whose sum is σ = 1219421952. Its totient is φ = 145127424.

The previous prime is 453521417. The next prime is 453521437. The reversal of 453521424 is 424125354.

It is a junction number, because it is equal to n+sod(n) for n = 453521391 and 453521400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117672 + ... + 121464.

Almost surely, 2^453521424 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 453521424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609710976).

453521424 is an abundant number, since it is smaller than the sum of its proper divisors (765900528).

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

453521424 is a wasteful number, since it uses less digits than its factorization.

453521424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904 (or 3898 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 453521424 is about 21296.0424492439. The cubic root of 453521424 is about 768.3031301216.

Adding to 453521424 its reverse (424125354), we get a palindrome (877646778).

The spelling of 453521424 in words is "four hundred fifty-three million, five hundred twenty-one thousand, four hundred twenty-four".