455424420 has 48 divisors (see below), whose sum is σ = 1391116608. Its totient is φ = 110405760.

The previous prime is 455424391. The next prime is 455424451. The reversal of 455424420 is 24424554.

It is a super-2 number, since 2×455424420² = 414822804664672800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 344359 + ... + 345678.

It is an arithmetic number, because the mean of its divisors is an integer number (28981596).

Almost surely, 2^455424420 is an apocalyptic number.

It is an amenable number.

455424420 is an abundant number, since it is smaller than the sum of its proper divisors (935692188).

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

455424420 is a wasteful number, since it uses less digits than its factorization.

455424420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690060 (or 690058 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 455424420 is about 21340.6752470488. The cubic root of 455424420 is about 769.3762419078.

Adding to 455424420 its reverse (24424554), we get a palindrome (479848974).

The spelling of 455424420 in words is "four hundred fifty-five million, four hundred twenty-four thousand, four hundred twenty".