200000440 has 16 divisors (see below), whose sum is σ = 450001080. Its totient is φ = 80000160.

The previous prime is 200000431. The next prime is 200000447. The reversal of 200000440 is 44000002.

It is a Harshad number since it is a multiple of its sum of digits (10).

200000440 is a modest number, since divided by 440 gives 200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200000447) 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 3 ways as a sum of consecutive naturals, for example, 2499966 + ... + 2500045.

Almost surely, 2^200000440 is an apocalyptic number.

200000440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200000440 is an abundant number, since it is smaller than the sum of its proper divisors (250000640).

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

200000440 is a wasteful number, since it uses less digits than its factorization.

200000440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000022 (or 5000018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 200000440 is about 14142.1511800716. The cubic root of 200000440 is about 584.8039764982.

Adding to 200000440 its reverse (44000002), we get a palindrome (244000442).

The spelling of 200000440 in words is "two hundred million, four hundred forty", and thus it is an aban number.