200040450 has 48 divisors (see below), whose sum is σ = 496965216. Its totient is φ = 53251200.

The previous prime is 200040443. The next prime is 200040473. The reversal of 200040450 is 54040002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154305 + ... + 155595.

It is an arithmetic number, because the mean of its divisors is an integer number (10353442).

Almost surely, 2^200040450 is an apocalyptic number.

200040450 is an abundant number, since it is smaller than the sum of its proper divisors (296924766).

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

200040450 is a wasteful number, since it uses less digits than its factorization.

200040450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339 (or 2334 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 200040450 is about 14143.5656748926. The cubic root of 200040450 is about 584.8429704908.

200040450 divided by its sum of digits (15) gives a triangular number (13336030 = T₅₁₆₄).

Adding to 200040450 its reverse (54040002), we get a palindrome (254080452).

The spelling of 200040450 in words is "two hundred million, forty thousand, four hundred fifty".