455921850 has 48 divisors (see below), whose sum is σ = 1138230720. Its totient is φ = 120768000.

The previous prime is 455921849. The next prime is 455921887. The reversal of 455921850 is 58129554.

It is a junction number, because it is equal to n+sod(n) for n = 455921799 and 455921808.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12586 + ... + 32714.

It is an arithmetic number, because the mean of its divisors is an integer number (23713140).

Almost surely, 2^455921850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455921850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569115360).

455921850 is an abundant number, since it is smaller than the sum of its proper divisors (682308870).

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

455921850 is a wasteful number, since it uses less digits than its factorization.

455921850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20295 (or 20290 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 455921850 is about 21352.3265711257. The cubic root of 455921850 is about 769.6562529298.

The spelling of 455921850 in words is "four hundred fifty-five million, nine hundred twenty-one thousand, eight hundred fifty".