6442045746 has 32 divisors (see below), whose sum is σ = 13067488320. Its totient is φ = 2116813824.

The previous prime is 6442045721. The next prime is 6442045759. The reversal of 6442045746 is 6475402446.

It is a junction number, because it is equal to n+sod(n) for n = 6442045698 and 6442045707.

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, 1425186 + ... + 1429698.

It is an arithmetic number, because the mean of its divisors is an integer number (408359010).

Almost surely, 2^6442045746 is an apocalyptic number.

6442045746 is an abundant number, since it is smaller than the sum of its proper divisors (6625442574).

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

6442045746 is a wasteful number, since it uses less digits than its factorization.

6442045746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7850.

The product of its (nonzero) digits is 645120, while the sum is 42.

The square root of 6442045746 is about 80262.3557217205. The cubic root of 6442045746 is about 1860.6924760020.

The spelling of 6442045746 in words is "six billion, four hundred forty-two million, forty-five thousand, seven hundred forty-six".