6400426203 has 48 divisors (see below), whose sum is σ = 10543927680. Its totient is φ = 3716036352.

The previous prime is 6400426199. The next prime is 6400426229. The reversal of 6400426203 is 3026240046.

It is not a de Polignac number, because 6400426203 - 2² = 6400426199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6400426273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99400 + ... + 150602.

It is an arithmetic number, because the mean of its divisors is an integer number (219665160).

Almost surely, 2^6400426203 is an apocalyptic number.

6400426203 is a deficient number, since it is larger than the sum of its proper divisors (4143501477).

6400426203 is a wasteful number, since it uses less digits than its factorization.

6400426203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51288 (or 51285 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 6400426203 is about 80002.6637244036. The cubic root of 6400426203 is about 1856.6767462612.

Adding to 6400426203 its reverse (3026240046), we get a palindrome (9426666249).

The spelling of 6400426203 in words is "six billion, four hundred million, four hundred twenty-six thousand, two hundred three".