200442040 has 16 divisors (see below), whose sum is σ = 450994680. Its totient is φ = 80176800.

The previous prime is 200442037. The next prime is 200442041. The reversal of 200442040 is 40244002.

It is a super-2 number, since 2×200442040² = 80354022798723200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200442041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505486 + ... + 2505565.

Almost surely, 2^200442040 is an apocalyptic number.

200442040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200442040 is an abundant number, since it is smaller than the sum of its proper divisors (250552640).

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

200442040 is a wasteful number, since it uses less digits than its factorization.

200442040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011062 (or 5011058 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 200442040 is about 14157.7554718253. The cubic root of 200442040 is about 585.2340748814.

Adding to 200442040 its reverse (40244002), we get a palindrome (240686042).

It can be divided in two parts, 2004 and 42040, that added together give a palindrome (44044).

The spelling of 200442040 in words is "two hundred million, four hundred forty-two thousand, forty".