9658320444 has 60 divisors (see below), whose sum is σ = 26063260608. Its totient is φ = 3115584000.

The previous prime is 9658320421. The next prime is 9658320487. The reversal of 9658320444 is 4440238569.

9658320444 is a `hidden beast` number, since 9 + 6 + 583 + 20 + 4 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 9658320444.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 470757 + ... + 490844.

Almost surely, 2^9658320444 is an apocalyptic number.

It is an amenable number.

9658320444 is an abundant number, since it is smaller than the sum of its proper divisors (16404940164).

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

9658320444 is a wasteful number, since it uses less digits than its factorization.

9658320444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961648 (or 961637 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 9658320444 is about 98276.7543420111. The cubic root of 9658320444 is about 2129.6122523701.

The spelling of 9658320444 in words is "nine billion, six hundred fifty-eight million, three hundred twenty thousand, four hundred forty-four".