9446439744 has 168 divisors, whose sum is σ = 31083918528. Its totient is φ = 2686832640.

The previous prime is 9446439719. The next prime is 9446439749. The reversal of 9446439744 is 4479346449.

9446439744 is a `hidden beast` number, since 94 + 464 + 3 + 97 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9446439749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 910104 + ... + 920424.

Almost surely, 2^9446439744 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 9446439744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15541959264).

9446439744 is an abundant number, since it is smaller than the sum of its proper divisors (21637478784).

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

9446439744 is a wasteful number, since it uses less digits than its factorization.

9446439744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10573 (or 10560 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The square root of 9446439744 is about 97192.7967701311. The cubic root of 9446439744 is about 2113.9240816392.

The spelling of 9446439744 in words is "nine billion, four hundred forty-six million, four hundred thirty-nine thousand, seven hundred forty-four".