7445716644 has 48 divisors (see below), whose sum is σ = 18421603200. Its totient is φ = 2332571136.

The previous prime is 7445716639. The next prime is 7445716709. The reversal of 7445716644 is 4466175447.

It is a junction number, because it is equal to n+sod(n) for n = 7445716593 and 7445716602.

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, 118897 + ... + 170375.

It is an arithmetic number, because the mean of its divisors is an integer number (383783400).

Almost surely, 2^7445716644 is an apocalyptic number.

It is an amenable number.

7445716644 is an abundant number, since it is smaller than the sum of its proper divisors (10975886556).

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

7445716644 is a wasteful number, since it uses less digits than its factorization.

7445716644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52212 (or 52210 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 48.

The square root of 7445716644 is about 86288.5661255302. The cubic root of 7445716644 is about 1952.6998887866.

The spelling of 7445716644 in words is "seven billion, four hundred forty-five million, seven hundred sixteen thousand, six hundred forty-four".