455424421 has 8 divisors (see below), whose sum is σ = 460953504. Its totient is φ = 449919120.

The previous prime is 455424391. The next prime is 455424451. The reversal of 455424421 is 124424554.

It is an interprime number because it is at equal distance from previous prime (455424391) and next prime (455424451).

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 455424421 - 2⁷ = 455424293 is a prime.

It is a super-2 number, since 2×455424421² = 414822806486370482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455424451) 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, 34206 + ... + 45616.

It is an arithmetic number, because the mean of its divisors is an integer number (57619188).

Almost surely, 2^455424421 is an apocalyptic number.

It is an amenable number.

455424421 is a deficient number, since it is larger than the sum of its proper divisors (5529083).

455424421 is a wasteful number, since it uses less digits than its factorization.

455424421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11891.

The product of its digits is 25600, while the sum is 31.

The square root of 455424421 is about 21340.6752704782. The cubic root of 455424421 is about 769.3762424709.

Adding to 455424421 its reverse (124424554), we get a palindrome (579848975).

The spelling of 455424421 in words is "four hundred fifty-five million, four hundred twenty-four thousand, four hundred twenty-one".