9120491520 has 576 divisors, whose sum is σ = 34821783360. Its totient is φ = 2031353856.

The previous prime is 9120491519. The next prime is 9120491543. The reversal of 9120491520 is 251940219.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109885399 + ... + 109885481.

It is an arithmetic number, because the mean of its divisors is an integer number (60454485).

Almost surely, 2^9120491520 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 9120491520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17410891680).

9120491520 is an abundant number, since it is smaller than the sum of its proper divisors (25701291840).

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

9120491520 is a wasteful number, since it uses less digits than its factorization.

9120491520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 9120491520 is about 95501.2644942464. The cubic root of 9120491520 is about 2089.3253868434.

The spelling of 9120491520 in words is "nine billion, one hundred twenty million, four hundred ninety-one thousand, five hundred twenty".