9478324955640 has 128 divisors (see below), whose sum is σ = 28546830673920. Its totient is φ = 2517615129600.

The previous prime is 9478324955611. The next prime is 9478324955683. The reversal of 9478324955640 is 465594238749.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142762132 + ... + 142828508.

It is an arithmetic number, because the mean of its divisors is an integer number (223022114640).

Almost surely, 2^{9478324955640} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9478324955640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14273415336960).

9478324955640 is an abundant number, since it is smaller than the sum of its proper divisors (19068505718280).

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

9478324955640 is a wasteful number, since it uses less digits than its factorization.

9478324955640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71053 (or 71049 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 66.

The spelling of 9478324955640 in words is "nine trillion, four hundred seventy-eight billion, three hundred twenty-four million, nine hundred fifty-five thousand, six hundred forty".