200400430003424 has 24 divisors (see below), whose sum is σ = 450900967508208. Its totient is φ = 85885898572800.

The previous prime is 200400430003399. The next prime is 200400430003469. The reversal of 200400430003424 is 424300034004002.

It is a junction number, because it is equal to n+sod(n) for n = 200400430003393 and 200400430003402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447322388177 + ... + 447322388624.

It is an arithmetic number, because the mean of its divisors is an integer number (18787540312842).

Almost surely, 2^{200400430003424} is an apocalyptic number.

It is an amenable number.

200400430003424 is an abundant number, since it is smaller than the sum of its proper divisors (250500537504784).

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

200400430003424 is an equidigital number, since it uses as much as digits as its factorization.

200400430003424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894644776818 (or 894644776810 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 200400430003424 its reverse (424300034004002), we get a palindrome (624700464007426).

The spelling of 200400430003424 in words is "two hundred trillion, four hundred billion, four hundred thirty million, three thousand, four hundred twenty-four".