9804536072040 has 128 divisors (see below), whose sum is σ = 30438952934400. Its totient is φ = 2523466874880.

The previous prime is 9804536072039. The next prime is 9804536072077. The reversal of 9804536072040 is 402706354089.

It is a super-2 number, since 2×9804536072040² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9068745 + ... + 10092135.

It is an arithmetic number, because the mean of its divisors is an integer number (237804319800).

Almost surely, 2^{9804536072040} 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 9804536072040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15219476467200).

9804536072040 is an abundant number, since it is smaller than the sum of its proper divisors (20634416862360).

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

9804536072040 is a wasteful number, since it uses less digits than its factorization.

9804536072040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026187 (or 1026183 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 9804536072040 in words is "nine trillion, eight hundred four billion, five hundred thirty-six million, seventy-two thousand, forty".