9946559040 has 224 divisors, whose sum is σ = 35383768704. Its totient is φ = 2346024960.

The previous prime is 9946559039. The next prime is 9946559057. The reversal of 9946559040 is 409556499.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 377992 + ... + 403448.

Almost surely, 2^9946559040 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 9946559040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17691884352).

9946559040 is an abundant number, since it is smaller than the sum of its proper divisors (25437209664).

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

9946559040 is a wasteful number, since it uses less digits than its factorization.

9946559040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25525 (or 25515 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The square root of 9946559040 is about 99732.4372508764. The cubic root of 9946559040 is about 2150.5899978054.

The spelling of 9946559040 in words is "nine billion, nine hundred forty-six million, five hundred fifty-nine thousand, forty".