200442042 has 12 divisors (see below), whose sum is σ = 434291130. Its totient is φ = 66814008.

The previous prime is 200442041. The next prime is 200442043. The reversal of 200442042 is 240244002.

200442042 is a `hidden beast` number, since 200 + 4 + 420 + 42 = 666.

200442042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (200442041) and next prime (200442043).

It can be written as a sum of positive squares in only one way, i.e., 100821681 + 99620361 = 10041^2 + 9981^2 .

It is a super-2 number, since 2×200442042² = 80354024402259528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11135669 = 200442042 / (2 + 0 + 0 + 4 + 4 + 2 + 0 + 4 + 2).

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5567817 + ... + 5567852.

Almost surely, 2^200442042 is an apocalyptic number.

200442042 is an abundant number, since it is smaller than the sum of its proper divisors (233849088).

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

200442042 is a wasteful number, since it uses less digits than its factorization.

200442042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11135677 (or 11135674 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 200442042 is about 14157.7555424580. The cubic root of 200442042 is about 585.2340768279.

Adding to 200442042 its reverse (240244002), we get a palindrome (440686044).

The spelling of 200442042 in words is "two hundred million, four hundred forty-two thousand, forty-two".