200040204040 has 16 divisors (see below), whose sum is σ = 450090459180. Its totient is φ = 80016081600.

The previous prime is 200040204031. The next prime is 200040204107. The reversal of 200040204040 is 40402040002.

It can be written as a sum of positive squares in 2 ways, for example, as 191114111556 + 8926092484 = 437166^2 + 94478^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500502511 + ... + 2500502590.

Almost surely, 2^200040204040 is an apocalyptic number.

200040204040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200040204040 is an abundant number, since it is smaller than the sum of its proper divisors (250050255140).

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

200040204040 is a wasteful number, since it uses less digits than its factorization.

200040204040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001005112 (or 5001005108 counting only the distinct ones).

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

Adding to 200040204040 its reverse (40402040002), we get a palindrome (240442244042).

The spelling of 200040204040 in words is "two hundred billion, forty million, two hundred four thousand, forty".