9546418640 has 120 divisors (see below), whose sum is σ = 25312942368. Its totient is φ = 3320331520.

The previous prime is 9546418619. The next prime is 9546418649. The reversal of 9546418640 is 468146459.

It is a happy number.

It is a super-2 number, since 2×9546418640² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9546418649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455267 + ... + 475773.

Almost surely, 2^9546418640 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 9546418640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12656471184).

9546418640 is an abundant number, since it is smaller than the sum of its proper divisors (15766523728).

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

9546418640 is a wasteful number, since it uses less digits than its factorization.

9546418640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20577 (or 20548 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 9546418640 is about 97705.7758783993. The cubic root of 9546418640 is about 2121.3556832658.

The spelling of 9546418640 in words is "nine billion, five hundred forty-six million, four hundred eighteen thousand, six hundred forty".