200512040 has 32 divisors (see below), whose sum is σ = 455301000. Its totient is φ = 79467264.

The previous prime is 200512027. The next prime is 200512049. The reversal of 200512040 is 40215002.

200512040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 114875524 + 85636516 = 10718^2 + 9254^2 .

It is not an unprimeable number, because it can be changed into a prime (200512049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18635 + ... + 27354.

Almost surely, 2^200512040 is an apocalyptic number.

200512040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200512040 is an abundant number, since it is smaller than the sum of its proper divisors (254788960).

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

200512040 is a wasteful number, since it uses less digits than its factorization.

200512040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46109 (or 46105 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 200512040 is about 14160.2273993040. The cubic root of 200512040 is about 585.3021936874.

Adding to 200512040 its reverse (40215002), we get a palindrome (240727042).

The spelling of 200512040 in words is "two hundred million, five hundred twelve thousand, forty".