6442107406 has 8 divisors (see below), whose sum is σ = 11043612720. Its totient is φ = 2760903168.

The previous prime is 6442107391. The next prime is 6442107443. The reversal of 6442107406 is 6047012446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230075251 + ... + 230075278.

It is an arithmetic number, because the mean of its divisors is an integer number (1380451590).

Almost surely, 2^6442107406 is an apocalyptic number.

6442107406 is a deficient number, since it is larger than the sum of its proper divisors (4601505314).

6442107406 is a wasteful number, since it uses less digits than its factorization.

6442107406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460150538.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 6442107406 is about 80262.7398361157. The cubic root of 6442107406 is about 1860.6984125185.

The spelling of 6442107406 in words is "six billion, four hundred forty-two million, one hundred seven thousand, four hundred six".