200445450 has 48 divisors (see below), whose sum is σ = 499093056. Its totient is φ = 53238400.

The previous prime is 200445439. The next prime is 200445457. The reversal of 200445450 is 54544002.

200445450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 200445450.

It is not an unprimeable number, because it can be changed into a prime (200445457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36910 + ... + 41990.

It is an arithmetic number, because the mean of its divisors is an integer number (10397772).

Almost surely, 2^200445450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200445450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249546528).

200445450 is an abundant number, since it is smaller than the sum of its proper divisors (298647606).

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

200445450 is a wasteful number, since it uses less digits than its factorization.

200445450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359 (or 5354 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 200445450 is about 14157.8759000070. The cubic root of 200445450 is about 585.2373936078.

Adding to 200445450 its reverse (54544002), we get a palindrome (254989452).

The spelling of 200445450 in words is "two hundred million, four hundred forty-five thousand, four hundred fifty".