9816023040 has 448 divisors, whose sum is σ = 34424745984. Its totient is φ = 2378170368.

The previous prime is 9816023033. The next prime is 9816023083. The reversal of 9816023040 is 403206189.

It is a junction number, because it is equal to n+sod(n) for n = 9816022992 and 9816023010.

It is a congruent number.

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, 77291457 + ... + 77291583.

Almost surely, 2^9816023040 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 9816023040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17212372992).

9816023040 is an abundant number, since it is smaller than the sum of its proper divisors (24608722944).

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

9816023040 is a wasteful number, since it uses less digits than its factorization.

9816023040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 9816023040 is about 99075.8448866322. The cubic root of 9816023040 is about 2141.1406153430.

The spelling of 9816023040 in words is "nine billion, eight hundred sixteen million, twenty-three thousand, forty".