9559280640 has 528 divisors, whose sum is σ = 38341652832. Its totient is φ = 2014838784.

The previous prime is 9559280639. The next prime is 9559280641. The reversal of 9559280640 is 460829559.

It is an interprime number because it is at equal distance from previous prime (9559280639) and next prime (9559280641).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9559280640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9559280641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9783832 + ... + 9784808.

Almost surely, 2^9559280640 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 9559280640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19170826416).

9559280640 is an abundant number, since it is smaller than the sum of its proper divisors (28782372192).

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

9559280640 is a wasteful number, since it uses less digits than its factorization.

9559280640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 9559280640 is about 97771.5737829764. The cubic root of 9559280640 is about 2122.3079647181.

The spelling of 9559280640 in words is "nine billion, five hundred fifty-nine million, two hundred eighty thousand, six hundred forty".