9343140840 has 768 divisors, whose sum is σ = 37491517440. Its totient is φ = 2007244800.

The previous prime is 9343140797. The next prime is 9343140853. The reversal of 9343140840 is 480413439.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9343140795 and 9343140804.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 252517302 + ... + 252517338.

It is an arithmetic number, because the mean of its divisors is an integer number (48817080).

Almost surely, 2^9343140840 is an apocalyptic number.

9343140840 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 9343140840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18745758720).

9343140840 is an abundant number, since it is smaller than the sum of its proper divisors (28148376600).

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

9343140840 is a wasteful number, since it uses less digits than its factorization.

9343140840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 9343140840 is about 96659.9236498767. The cubic root of 9343140840 is about 2106.1904141379.

The spelling of 9343140840 in words is "nine billion, three hundred forty-three million, one hundred forty thousand, eight hundred forty".