6400053326 has 16 divisors (see below), whose sum is σ = 9957081600. Its totient is φ = 3081603168.

The previous prime is 6400053313. The next prime is 6400053349. The reversal of 6400053326 is 6233500046.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121841 + ... + 166268.

It is an arithmetic number, because the mean of its divisors is an integer number (622317600).

Almost surely, 2^6400053326 is an apocalyptic number.

6400053326 is a deficient number, since it is larger than the sum of its proper divisors (3557028274).

6400053326 is a wasteful number, since it uses less digits than its factorization.

6400053326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288523.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 6400053326 is about 80000.3332868057. Note that the first 3 decimals coincide. The cubic root of 6400053326 is about 1856.6406900426.

The spelling of 6400053326 in words is "six billion, four hundred million, fifty-three thousand, three hundred twenty-six".