9944520481 has 8 divisors (see below), whose sum is σ = 12033705600. Its totient is φ = 8022470208.

The previous prime is 9944520389. The next prime is 9944520527. The reversal of 9944520481 is 1840254499.

9944520481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9944520481 - 2¹⁹ = 9943996193 is a prime.

It is a super-3 number, since 3×9944520481³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (9944520581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41783581 + ... + 41783818.

It is an arithmetic number, because the mean of its divisors is an integer number (1504213200).

Almost surely, 2^9944520481 is an apocalyptic number.

It is an amenable number.

9944520481 is a deficient number, since it is larger than the sum of its proper divisors (2089185119).

9944520481 is a wasteful number, since it uses less digits than its factorization.

9944520481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83567423.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 9944520481 is about 99722.2165868770. The cubic root of 9944520481 is about 2150.4430657819.

The spelling of 9944520481 in words is "nine billion, nine hundred forty-four million, five hundred twenty thousand, four hundred eighty-one".