200453440 has 168 divisors, whose sum is σ = 544836096. Its totient is φ = 70118400.

The previous prime is 200453431. The next prime is 200453447. The reversal of 200453440 is 44354002.

It is a happy number.

200453440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200453447) 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, 1200237 + ... + 1200403.

It is an arithmetic number, because the mean of its divisors is an integer number (3243072).

Almost surely, 2^200453440 is an apocalyptic number.

200453440 is a gapful number since it is divisible by the number (20) 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 200453440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272418048).

200453440 is an abundant number, since it is smaller than the sum of its proper divisors (344382656).

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

200453440 is a wasteful number, since it uses less digits than its factorization.

200453440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 200453440 is about 14158.1580722917. The cubic root of 200453440 is about 585.2451695965.

The spelling of 200453440 in words is "two hundred million, four hundred fifty-three thousand, four hundred forty".