251340200200 has 48 divisors (see below), whose sum is σ = 584619903360. Its totient is φ = 100492392000.

The previous prime is 251340200197. The next prime is 251340200207. The reversal of 251340200200 is 2002043152.

It is not an unprimeable number, because it can be changed into a prime (251340200207) 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, 190305 + ... + 734095.

It is an arithmetic number, because the mean of its divisors is an integer number (12179581320).

Almost surely, 2^251340200200 is an apocalyptic number.

251340200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

251340200200 is an abundant number, since it is smaller than the sum of its proper divisors (333279703160).

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

251340200200 is a wasteful number, since it uses less digits than its factorization.

251340200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546118 (or 546109 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 251340200200 its reverse (2002043152), we get a palindrome (253342243352).

The spelling of 251340200200 in words is "two hundred fifty-one billion, three hundred forty million, two hundred thousand, two hundred".