9456738444 has 192 divisors, whose sum is σ = 27501465600. Its totient is φ = 2792641536.

The previous prime is 9456738419. The next prime is 9456738491. The reversal of 9456738444 is 4448376549.

9456738444 is a `hidden beast` number, since 9 + 4 + 567 + 38 + 4 + 44 = 666.

Together with 18044727155 it forms a betrothed pair.

It is a super-2 number, since 2×9456738444² (a number of 21 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, 6034149 + ... + 6035715.

It is an arithmetic number, because the mean of its divisors is an integer number (143236800).

Almost surely, 2^9456738444 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 9456738444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13750732800).

9456738444 is an abundant number, since it is smaller than the sum of its proper divisors (18044727156).

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

9456738444 is a wasteful number, since it uses less digits than its factorization.

9456738444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1781 counting only the distinct ones).

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

The square root of 9456738444 is about 97245.7631159322. The cubic root of 9456738444 is about 2114.6920169217.

The spelling of 9456738444 in words is "nine billion, four hundred fifty-six million, seven hundred thirty-eight thousand, four hundred forty-four".