9880649222500 has 225 divisors, whose sum is σ = 25226333122991. Its totient is φ = 3385010748000.

The previous prime is 9880649222401. The next prime is 9880649222579. The reversal of 9880649222500 is 52229460889.

It is a happy number.

The square root of 9880649222500 is 3143350.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 774642899044 + 9106006323456 = 880138^2 + 3017616^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 7701206859 + ... + 7701208141.

Almost surely, 2^{9880649222500} is an apocalyptic number.

9880649222500 is the 3143350-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9880649222500

9880649222500 is an abundant number, since it is smaller than the sum of its proper divisors (15345683900491).

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

9880649222500 is an frugal number, since it uses more digits than its factorization.

9880649222500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 9880649222500 in words is "nine trillion, eight hundred eighty billion, six hundred forty-nine million, two hundred twenty-two thousand, five hundred".