9006240840 has 32 divisors (see below), whose sum is σ = 27018722880. Its totient is φ = 2401664192.

The previous prime is 9006240839. The next prime is 9006240853. The reversal of 9006240840 is 480426009.

It is a super-2 number, since 2×9006240840² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37525884 + ... + 37526123.

It is an arithmetic number, because the mean of its divisors is an integer number (844335090).

Almost surely, 2^9006240840 is an apocalyptic number.

It is an amenable number.

9006240840 is an abundant number, since it is smaller than the sum of its proper divisors (18012482040).

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

9006240840 is a wasteful number, since it uses less digits than its factorization.

9006240840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75052021 (or 75052017 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 9006240840 is about 94901.2162198146. The cubic root of 9006240840 is about 2080.5645071599.

Adding to 9006240840 its reverse (480426009), we get a palindrome (9486666849).

The spelling of 9006240840 in words is "nine billion, six million, two hundred forty thousand, eight hundred forty".