200400424 has 32 divisors (see below), whose sum is σ = 433382400. Its totient is φ = 85095360.

The previous prime is 200400401. The next prime is 200400491. The reversal of 200400424 is 424004002.

It is a junction number, because it is equal to n+sod(n) for n = 200400398 and 200400407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10312 + ... + 22519.

It is an arithmetic number, because the mean of its divisors is an integer number (13543200).

Almost surely, 2^200400424 is an apocalyptic number.

It is an amenable number.

200400424 is an abundant number, since it is smaller than the sum of its proper divisors (232981976).

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

200400424 is a wasteful number, since it uses less digits than its factorization.

200400424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32953 (or 32949 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 200400424 is about 14156.2856710367. The cubic root of 200400424 is about 585.1935697608.

Adding to 200400424 its reverse (424004002), we get a palindrome (624404426).

The spelling of 200400424 in words is "two hundred million, four hundred thousand, four hundred twenty-four".