455646020 has 24 divisors (see below), whose sum is σ = 957755904. Its totient is φ = 182087136.

The previous prime is 455646007. The next prime is 455646043. The reversal of 455646020 is 20646554.

It is a super-2 number, since 2×455646020² = 415226591083680800, which contains 22 as substring.

It is an unprimeable number.

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, 12317 + ... + 32603.

It is an arithmetic number, because the mean of its divisors is an integer number (39906496).

Almost surely, 2^455646020 is an apocalyptic number.

It is an amenable number.

455646020 is an abundant number, since it is smaller than the sum of its proper divisors (502109884).

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

455646020 is a wasteful number, since it uses less digits than its factorization.

455646020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21419 (or 21417 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 455646020 is about 21345.8665788016. The cubic root of 455646020 is about 769.5010091376.

The spelling of 455646020 in words is "four hundred fifty-five million, six hundred forty-six thousand, twenty".