200200040 has 16 divisors (see below), whose sum is σ = 450450180. Its totient is φ = 80080000.

The previous prime is 200200031. The next prime is 200200057. The reversal of 200200040 is 40002002.

It can be written as a sum of positive squares in 2 ways, for example, as 182844484 + 17355556 = 13522^2 + 4166^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502461 + ... + 2502540.

Almost surely, 2^200200040 is an apocalyptic number.

200200040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200200040 is an abundant number, since it is smaller than the sum of its proper divisors (250250140).

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

200200040 is a wasteful number, since it uses less digits than its factorization.

200200040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005012 (or 5005008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 200200040 is about 14149.2063381661. The cubic root of 200200040 is about 584.9984561773.

Adding to 200200040 its reverse (40002002), we get a palindrome (240202042).

The spelling of 200200040 in words is "two hundred million, two hundred thousand, forty".