9840645294 has 32 divisors (see below), whose sum is σ = 20036815776. Its totient is φ = 3221137920.

The previous prime is 9840645293. The next prime is 9840645307. The reversal of 9840645294 is 4925460489.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9840645293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204034 + ... + 247610.

It is an arithmetic number, because the mean of its divisors is an integer number (626150493).

Almost surely, 2^9840645294 is an apocalyptic number.

9840645294 is an abundant number, since it is smaller than the sum of its proper divisors (10196170482).

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

9840645294 is a wasteful number, since it uses less digits than its factorization.

9840645294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44260.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The square root of 9840645294 is about 99200.0266834642. The cubic root of 9840645294 is about 2142.9293808117.

The spelling of 9840645294 in words is "nine billion, eight hundred forty million, six hundred forty-five thousand, two hundred ninety-four".