9603440028 has 720 divisors, whose sum is σ = 34606387200. Its totient is φ = 2292675840.

The previous prime is 9603439939. The next prime is 9603440087. The reversal of 9603440028 is 8200443069.

It is a happy number.

9603440028 is a `hidden beast` number, since 9 + 603 + 4 + 40 + 0 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9603439974 and 9603440001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 121562493 + ... + 121562571.

Almost surely, 2^9603440028 is an apocalyptic number.

9603440028 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9603440028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17303193600).

9603440028 is an abundant number, since it is smaller than the sum of its proper divisors (25002947172).

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

9603440028 is a wasteful number, since it uses less digits than its factorization.

9603440028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 9603440028 is about 97997.1429583536. The cubic root of 9603440028 is about 2125.5709674401.

The spelling of 9603440028 in words is "nine billion, six hundred three million, four hundred forty thousand, twenty-eight".