6438324266 has 32 divisors (see below), whose sum is σ = 11032868736. Its totient is φ = 2789248000.

The previous prime is 6438324257. The next prime is 6438324271. The reversal of 6438324266 is 6624238346.

It is a happy number.

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, 119546 + ... + 164826.

It is an arithmetic number, because the mean of its divisors is an integer number (344777148).

Almost surely, 2^6438324266 is an apocalyptic number.

6438324266 is a deficient number, since it is larger than the sum of its proper divisors (4594544470).

6438324266 is a wasteful number, since it uses less digits than its factorization.

6438324266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45598.

The product of its digits is 995328, while the sum is 44.

The square root of 6438324266 is about 80239.1691507334. The cubic root of 6438324266 is about 1860.3341082858.

The spelling of 6438324266 in words is "six billion, four hundred thirty-eight million, three hundred twenty-four thousand, two hundred sixty-six".