200040100 has 36 divisors (see below), whose sum is σ = 467481364. Its totient is φ = 73860480.

The previous prime is 200040097. The next prime is 200040101. The reversal of 200040100 is 1040002.

It can be written as a sum of positive squares in 6 ways, for example, as 28901376 + 171138724 = 5376^2 + 13082^2 .

It is not an unprimeable number, because it can be changed into a prime (200040101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75639 + ... + 78238.

Almost surely, 2^200040100 is an apocalyptic number.

200040100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200040100 is an abundant number, since it is smaller than the sum of its proper divisors (267441264).

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

200040100 is a wasteful number, since it uses less digits than its factorization.

200040100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153904 (or 153897 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 200040100 is about 14143.5533017697. The cubic root of 200040100 is about 584.8426294012.

Adding to 200040100 its reverse (1040002), we get a palindrome (201080102).

The spelling of 200040100 in words is "two hundred million, forty thousand, one hundred".