6441275226 has 16 divisors (see below), whose sum is σ = 12921474528. Its totient is φ = 2140604400.

The previous prime is 6441275149. The next prime is 6441275227. The reversal of 6441275226 is 6225721446.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6441275227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619685 + ... + 1623656.

It is an arithmetic number, because the mean of its divisors is an integer number (807592158).

Almost surely, 2^6441275226 is an apocalyptic number.

6441275226 is an abundant number, since it is smaller than the sum of its proper divisors (6480199302).

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

6441275226 is a wasteful number, since it uses less digits than its factorization.

6441275226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243677.

The product of its digits is 161280, while the sum is 39.

The square root of 6441275226 is about 80257.5555695537. Note that the first 4 decimals coincide. The cubic root of 6441275226 is about 1860.6182884955.

The spelling of 6441275226 in words is "six billion, four hundred forty-one million, two hundred seventy-five thousand, two hundred twenty-six".