9880450560 has 240 divisors, whose sum is σ = 35018075664. Its totient is φ = 2573254656.

The previous prime is 9880450529. The next prime is 9880450571. The reversal of 9880450560 is 650540889.

9880450560 is a `hidden beast` number, since 9 + 8 + 80 + 4 + 5 + 0 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 985734 + ... + 995706.

Almost surely, 2^9880450560 is an apocalyptic number.

9880450560 is a gapful number since it is divisible by the number (90) 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 9880450560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17509037832).

9880450560 is an abundant number, since it is smaller than the sum of its proper divisors (25137625104).

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

9880450560 is a wasteful number, since it uses less digits than its factorization.

9880450560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10045 (or 10026 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 9880450560 is about 99400.4555321554. The cubic root of 9880450560 is about 2145.8148663666.

The spelling of 9880450560 in words is "nine billion, eight hundred eighty million, four hundred fifty thousand, five hundred sixty".