6400000010 has 32 divisors (see below), whose sum is σ = 12088103040. Its totient is φ = 2435000128.

The previous prime is 6400000007. The next prime is 6400000031. The reversal of 6400000010 is 100000046.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6399999937 and 6400000000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36557 + ... + 118896.

It is an arithmetic number, because the mean of its divisors is an integer number (377753220).

Almost surely, 2^6400000010 is an apocalyptic number.

6400000010 is a deficient number, since it is larger than the sum of its proper divisors (5688103030).

6400000010 is a wasteful number, since it uses less digits than its factorization.

6400000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155662.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 6400000010 is about 80000.0000625000. Note that the first 4 decimals coincide. The cubic root of 6400000010 is about 1856.6355344121.

Adding to 6400000010 its reverse (100000046), we get a palindrome (6500000056).

The spelling of 6400000010 in words is "six billion, four hundred million, ten", and thus it is an aban number.