9544830272640 has 512 divisors, whose sum is σ = 36416145427200. Its totient is φ = 2348775014400.

The previous prime is 9544830272531. The next prime is 9544830272683. The reversal of 9544830272640 is 462720384459.

It is a happy number.

9544830272640 is a `hidden beast` number, since 9 + 54 + 483 + 0 + 2 + 72 + 6 + 40 = 666.

It is a super-2 number, since 2×9544830272640² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1395235620 + ... + 1395242460.

Almost surely, 2^{9544830272640} is an apocalyptic number.

9544830272640 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9544830272640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18208072713600).

9544830272640 is an abundant number, since it is smaller than the sum of its proper divisors (26871315154560).

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

9544830272640 is a wasteful number, since it uses less digits than its factorization.

9544830272640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13093 (or 13075 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 9544830272640 in words is "nine trillion, five hundred forty-four billion, eight hundred thirty million, two hundred seventy-two thousand, six hundred forty".