9685772040 has 128 divisors (see below), whose sum is σ = 33550997760. Its totient is φ = 2191048704.

The previous prime is 9685772039. The next prime is 9685772113. The reversal of 9685772040 is 402775869.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22044 + ... + 140916.

It is an arithmetic number, because the mean of its divisors is an integer number (262117170).

Almost surely, 2^9685772040 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 9685772040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16775498880).

9685772040 is an abundant number, since it is smaller than the sum of its proper divisors (23865225720).

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

9685772040 is a wasteful number, since it uses less digits than its factorization.

9685772040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118991 (or 118987 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 9685772040 is about 98416.3199880995. The cubic root of 9685772040 is about 2131.6279912065.

The spelling of 9685772040 in words is "nine billion, six hundred eighty-five million, seven hundred seventy-two thousand, forty".