454144420 has 24 divisors (see below), whose sum is σ = 984469248. Its totient is φ = 175797600.

The previous prime is 454144393. The next prime is 454144423. The reversal of 454144420 is 24441454.

It is not an unprimeable number, because it can be changed into a prime (454144423) 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 7 ways as a sum of consecutive naturals, for example, 365626 + ... + 366865.

It is an arithmetic number, because the mean of its divisors is an integer number (41019552).

Almost surely, 2^454144420 is an apocalyptic number.

It is an amenable number.

454144420 is an abundant number, since it is smaller than the sum of its proper divisors (530324828).

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

454144420 is a wasteful number, since it uses less digits than its factorization.

454144420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732531 (or 732529 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 454144420 is about 21310.6644664121. The cubic root of 454144420 is about 768.6547715562.

Adding to 454144420 its reverse (24441454), we get a palindrome (478585874).

The spelling of 454144420 in words is "four hundred fifty-four million, one hundred forty-four thousand, four hundred twenty".