200540140 has 24 divisors (see below), whose sum is σ = 425869920. Its totient is φ = 79314048.

The previous prime is 200540107. The next prime is 200540141. The reversal of 200540140 is 41045002.

It is not an unprimeable number, because it can be changed into a prime (200540141) 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, 54552 + ... + 58111.

It is an arithmetic number, because the mean of its divisors is an integer number (17744580).

Almost surely, 2^200540140 is an apocalyptic number.

200540140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200540140 is an abundant number, since it is smaller than the sum of its proper divisors (225329780).

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

200540140 is a wasteful number, since it uses less digits than its factorization.

200540140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112761 (or 112759 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 200540140 is about 14161.2195802480. The cubic root of 200540140 is about 585.3295340629.

Adding to 200540140 its reverse (41045002), we get a palindrome (241585142).

The spelling of 200540140 in words is "two hundred million, five hundred forty thousand, one hundred forty".