450304421 has 8 divisors (see below), whose sum is σ = 516844224. Its totient is φ = 384317280.

The previous prime is 450304411. The next prime is 450304429. The reversal of 450304421 is 124403054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450304421 - 2¹⁴ = 450288037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450304429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136415 + ... + 139676.

It is an arithmetic number, because the mean of its divisors is an integer number (64605528).

Almost surely, 2^450304421 is an apocalyptic number.

It is an amenable number.

450304421 is a deficient number, since it is larger than the sum of its proper divisors (66539803).

450304421 is a wasteful number, since it uses less digits than its factorization.

450304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276331.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 450304421 is about 21220.3774942860. The cubic root of 450304421 is about 766.4821939486.

Adding to 450304421 its reverse (124403054), we get a palindrome (574707475).

The spelling of 450304421 in words is "four hundred fifty million, three hundred four thousand, four hundred twenty-one".