200042243140240 has 40 divisors (see below), whose sum is σ = 465626136254328. Its totient is φ = 79926072145920.

The previous prime is 200042243140237. The next prime is 200042243140283. The reversal of 200042243140240 is 42041342240002.

It can be written as a sum of positive squares in 4 ways, for example, as 32159016075664 + 167883227064576 = 5670892^2 + 12956976^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 200042243140199 and 200042243140208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1419071427 + ... + 1419212386.

Almost surely, 2^{200042243140240} is an apocalyptic number.

200042243140240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200042243140240 is an abundant number, since it is smaller than the sum of its proper divisors (265583893114088).

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

200042243140240 is a wasteful number, since it uses less digits than its factorization.

200042243140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838284707 (or 2838284701 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 200042243140240 its reverse (42041342240002), we get a palindrome (242083585380242).

The spelling of 200042243140240 in words is "two hundred trillion, forty-two billion, two hundred forty-three million, one hundred forty thousand, two hundred forty".