6340637226 has 32 divisors (see below), whose sum is σ = 15810421248. Its totient is φ = 1646918640.

The previous prime is 6340637213. The next prime is 6340637239. The reversal of 6340637226 is 6227360436.

It is an interprime number because it is at equal distance from previous prime (6340637213) and next prime (6340637239).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6861700 + ... + 6862623.

It is an arithmetic number, because the mean of its divisors is an integer number (494075664).

Almost surely, 2^6340637226 is an apocalyptic number.

6340637226 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6340637226 is an abundant number, since it is smaller than the sum of its proper divisors (9469784022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6340637226 is a wasteful number, since it uses less digits than its factorization.

6340637226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13724346.

The product of its (nonzero) digits is 217728, while the sum is 39.

The square root of 6340637226 is about 79628.1183125659. The cubic root of 6340637226 is about 1850.8773268543.

The spelling of 6340637226 in words is "six billion, three hundred forty million, six hundred thirty-seven thousand, two hundred twenty-six".