455408020 has 24 divisors (see below), whose sum is σ = 972568800. Its totient is φ = 179075232.

The previous prime is 455407999. The next prime is 455408021. The reversal of 455408020 is 20804554.

It is a self number, because there is not a number n which added to its sum of digits gives 455408020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455408021) 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, 191790 + ... + 194149.

It is an arithmetic number, because the mean of its divisors is an integer number (40523700).

Almost surely, 2^455408020 is an apocalyptic number.

It is an amenable number.

455408020 is an abundant number, since it is smaller than the sum of its proper divisors (517160780).

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

455408020 is a wasteful number, since it uses less digits than its factorization.

455408020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386007 (or 386005 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 455408020 is about 21340.2910008275. The cubic root of 455408020 is about 769.3670066236.

The spelling of 455408020 in words is "four hundred fifty-five million, four hundred eight thousand, twenty".