9438378058320 has 80 divisors (see below), whose sum is σ = 29367741594240. Its totient is φ = 2507544289792.

The previous prime is 9438378058297. The next prime is 9438378058391. The reversal of 9438378058320 is 238508738349.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

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 15 ways as a sum of consecutive naturals, for example, 73033164 + ... + 73162283.

It is an arithmetic number, because the mean of its divisors is an integer number (367096769928).

Almost surely, 2^{9438378058320} is an apocalyptic number.

It is an amenable number.

9438378058320 is an abundant number, since it is smaller than the sum of its proper divisors (19929363535920).

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

9438378058320 is a wasteful number, since it uses less digits than its factorization.

9438378058320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146195732 (or 146195726 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 9438378058320 in words is "nine trillion, four hundred thirty-eight billion, three hundred seventy-eight million, fifty-eight thousand, three hundred twenty".