200455992 has 128 divisors (see below), whose sum is σ = 611712000. Its totient is φ = 60318720.

The previous prime is 200455991. The next prime is 200456041. The reversal of 200455992 is 299554002.

It is a happy number.

200455992 is a `hidden beast` number, since 20 + 0 + 45 + 599 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200455991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 567688 + ... + 568040.

It is an arithmetic number, because the mean of its divisors is an integer number (4779000).

Almost surely, 2^200455992 is an apocalyptic number.

200455992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200455992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305856000).

200455992 is an abundant number, since it is smaller than the sum of its proper divisors (411256008).

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

200455992 is a wasteful number, since it uses less digits than its factorization.

200455992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 200455992 is about 14158.2481967226. The cubic root of 200455992 is about 585.2476531979.

The spelling of 200455992 in words is "two hundred million, four hundred fifty-five thousand, nine hundred ninety-two".