9120533440 has 28 divisors (see below), whose sum is σ = 21718271016. Its totient is φ = 3648213248.

The previous prime is 9120533431. The next prime is 9120533497. The reversal of 9120533440 is 443350219.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14250514 + ... + 14251153.

Almost surely, 2^9120533440 is an apocalyptic number.

It is an amenable number.

9120533440 is an abundant number, since it is smaller than the sum of its proper divisors (12597737576).

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

9120533440 is a wasteful number, since it uses less digits than its factorization.

9120533440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28501684 (or 28501674 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 9120533440 is about 95501.4839675280. The cubic root of 9120533440 is about 2089.3285878546.

Adding to 9120533440 its reverse (443350219), we get a palindrome (9563883659).

The spelling of 9120533440 in words is "nine billion, one hundred twenty million, five hundred thirty-three thousand, four hundred forty".