9648867840 has 160 divisors (see below), whose sum is σ = 31599602496. Its totient is φ = 2510192640.

The previous prime is 9648867743. The next prime is 9648867853. The reversal of 9648867840 is 487688469.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (60).

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 15 ways as a sum of consecutive naturals, for example, 299559 + ... + 330201.

Almost surely, 2^9648867840 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 9648867840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15799801248).

9648867840 is an abundant number, since it is smaller than the sum of its proper divisors (21950734656).

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

9648867840 is a wasteful number, since it uses less digits than its factorization.

9648867840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30710 (or 30694 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 60.

The square root of 9648867840 is about 98228.6508102397. The cubic root of 9648867840 is about 2128.9172746670.

The spelling of 9648867840 in words is "nine billion, six hundred forty-eight million, eight hundred sixty-seven thousand, eight hundred forty".