9447959040 has 320 divisors, whose sum is σ = 32775152256. Its totient is φ = 2307981312.

The previous prime is 9447959033. The next prime is 9447959093. The reversal of 9447959040 is 409597449.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

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 31 ways as a sum of consecutive naturals, for example, 17272047 + ... + 17272593.

Almost surely, 2^9447959040 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 9447959040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16387576128).

9447959040 is an abundant number, since it is smaller than the sum of its proper divisors (23327193216).

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

9447959040 is a wasteful number, since it uses less digits than its factorization.

9447959040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 9447959040 is about 97200.6123437502. The cubic root of 9447959040 is about 2114.0374049061.

The spelling of 9447959040 in words is "nine billion, four hundred forty-seven million, nine hundred fifty-nine thousand, forty".