6424444206 has 48 divisors (see below), whose sum is σ = 14452589424. Its totient is φ = 2138897664.

The previous prime is 6424444121. The next prime is 6424444219. The reversal of 6424444206 is 6024444246.

6424444206 is a `hidden beast` number, since 6 + 4 + 2 + 4 + 444 + 206 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 418686 + ... + 433758.

It is an arithmetic number, because the mean of its divisors is an integer number (301095613).

Almost surely, 2^6424444206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6424444206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7226294712).

6424444206 is an abundant number, since it is smaller than the sum of its proper divisors (8028145218).

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

6424444206 is a wasteful number, since it uses less digits than its factorization.

6424444206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15967 (or 15955 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The square root of 6424444206 is about 80152.6306867092. The cubic root of 6424444206 is about 1858.9962794748.

The spelling of 6424444206 in words is "six billion, four hundred twenty-four million, four hundred forty-four thousand, two hundred six".