9840724628 has 24 divisors (see below), whose sum is σ = 20360121600. Its totient is φ = 4072023648.

The previous prime is 9840724613. The next prime is 9840724633. The reversal of 9840724628 is 8264270489.

It is a super-2 number, since 2×9840724628² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6058748 + ... + 6060371.

It is an arithmetic number, because the mean of its divisors is an integer number (848338400).

Almost surely, 2^9840724628 is an apocalyptic number.

It is an amenable number.

9840724628 is an abundant number, since it is smaller than the sum of its proper divisors (10519396972).

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

9840724628 is a wasteful number, since it uses less digits than its factorization.

9840724628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12119159 (or 12119157 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 9840724628 is about 99200.4265515023. The cubic root of 9840724628 is about 2142.9351394687.

The spelling of 9840724628 in words is "nine billion, eight hundred forty million, seven hundred twenty-four thousand, six hundred twenty-eight".