9844743378240 has 896 divisors, whose sum is σ = 36474219233280. Its totient is φ = 2496614400000.

The previous prime is 9844743378181. The next prime is 9844743378307. The reversal of 9844743378240 is 428733474489.

9844743378240 is a `hidden beast` number, since 9 + 8 + 447 + 43 + 37 + 82 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7625671995 + ... + 7625673285.

Almost surely, 2^{9844743378240} is an apocalyptic number.

9844743378240 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9844743378240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18237109616640).

9844743378240 is an abundant number, since it is smaller than the sum of its proper divisors (26629475855040).

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

9844743378240 is a wasteful number, since it uses less digits than its factorization.

9844743378240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 63.

The spelling of 9844743378240 in words is "nine trillion, eight hundred forty-four billion, seven hundred forty-three million, three hundred seventy-eight thousand, two hundred forty".