9880494240 has 48 divisors (see below), whose sum is σ = 31123558368. Its totient is φ = 2634798336.

The previous prime is 9880494233. The next prime is 9880494259. The reversal of 9880494240 is 424940889.

It is a tau number, because it is divible by the number of its divisors (48).

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 9880494240.

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 7 ways as a sum of consecutive naturals, for example, 10291702 + ... + 10292661.

It is an arithmetic number, because the mean of its divisors is an integer number (648407466).

Almost surely, 2^9880494240 is an apocalyptic number.

It is an amenable number.

9880494240 is an abundant number, since it is smaller than the sum of its proper divisors (21243064128).

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

9880494240 is a wasteful number, since it uses less digits than its factorization.

9880494240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20584381 (or 20584373 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 9880494240 is about 99400.6752492155. The cubic root of 9880494240 is about 2145.8180284712.

The spelling of 9880494240 in words is "nine billion, eight hundred eighty million, four hundred ninety-four thousand, two hundred forty".