210545400200 has 24 divisors (see below), whose sum is σ = 489518055930. Its totient is φ = 84218160000.

The previous prime is 210545400199. The next prime is 210545400203. The reversal of 210545400200 is 2004545012.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 123486176836 + 87059223364 = 351406^2 + 295058^2 .

It is not an unprimeable number, because it can be changed into a prime (210545400203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 526363301 + ... + 526363700.

Almost surely, 2^210545400200 is an apocalyptic number.

210545400200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210545400200 is an abundant number, since it is smaller than the sum of its proper divisors (278972655730).

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

210545400200 is a wasteful number, since it uses less digits than its factorization.

210545400200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052727017 (or 1052727008 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 210545400200 its reverse (2004545012), we get a palindrome (212549945212).

The spelling of 210545400200 in words is "two hundred ten billion, five hundred forty-five million, four hundred thousand, two hundred".