6400416826 has 8 divisors (see below), whose sum is σ = 9758012724. Its totient is φ = 3147745920.

The previous prime is 6400416821. The next prime is 6400416859. The reversal of 6400416826 is 6286140046.

It can be written as a sum of positive squares in 2 ways, for example, as 5111535025 + 1288881801 = 71495^2 + 35901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6400416821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26231095 + ... + 26231338.

Almost surely, 2^6400416826 is an apocalyptic number.

6400416826 is a deficient number, since it is larger than the sum of its proper divisors (3357595898).

6400416826 is a wasteful number, since it uses less digits than its factorization.

6400416826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52462496.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 6400416826 is about 80002.6051200834. The cubic root of 6400416826 is about 1856.6758395473.

The spelling of 6400416826 in words is "six billion, four hundred million, four hundred sixteen thousand, eight hundred twenty-six".