200400250 has 64 divisors (see below), whose sum is σ = 404250912. Its totient is φ = 74112000.

The previous prime is 200400247. The next prime is 200400281. The reversal of 200400250 is 52004002.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 70006689 + 130393561 = 8367^2 + 11419^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200400250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258864 + ... + 259636.

Almost surely, 2^200400250 is an apocalyptic number.

200400250 is an abundant number, since it is smaller than the sum of its proper divisors (203850662).

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

200400250 is a wasteful number, since it uses less digits than its factorization.

200400250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 200400250 is about 14156.2795253555. The cubic root of 200400250 is about 585.1934003937.

Adding to 200400250 its reverse (52004002), we get a palindrome (252404252).

It can be divided in two parts, 2004002 and 50, that multiplied together give a square (100200100 = 10010²).

The spelling of 200400250 in words is "two hundred million, four hundred thousand, two hundred fifty".