200042000442 has 48 divisors (see below), whose sum is σ = 438346883520. Its totient is φ = 65925836736.

The previous prime is 200042000423. The next prime is 200042000453. The reversal of 200042000442 is 244000240002.

200042000442 is a `hidden beast` number, since 20 + 0 + 0 + 4 + 200 + 0 + 442 = 666.

It is a super-3 number, since 3×200042000442³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 865534 + ... + 1072022.

It is an arithmetic number, because the mean of its divisors is an integer number (9132226740).

Almost surely, 2^200042000442 is an apocalyptic number.

200042000442 is an abundant number, since it is smaller than the sum of its proper divisors (238304883078).

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

200042000442 is a wasteful number, since it uses less digits than its factorization.

200042000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207107 (or 207104 counting only the distinct ones).

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

Adding to 200042000442 its reverse (244000240002), we get a palindrome (444042240444).

The spelling of 200042000442 in words is "two hundred billion, forty-two million, four hundred forty-two", and thus it is an aban number.