8990502319840 has 48 divisors (see below), whose sum is σ = 21240851229360. Its totient is φ = 3596067256320.

The previous prime is 8990502319819. The next prime is 8990502319849. The reversal of 8990502319840 is 489132050998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8990502319849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3330760 + ... + 5392120.

It is an arithmetic number, because the mean of its divisors is an integer number (442517733945).

Almost surely, 2^{8990502319840} is an apocalyptic number.

8990502319840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8990502319840 is an abundant number, since it is smaller than the sum of its proper divisors (12250348909520).

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

8990502319840 is a wasteful number, since it uses less digits than its factorization.

8990502319840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088635 (or 2088627 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 8990502319840 in words is "eight trillion, nine hundred ninety billion, five hundred two million, three hundred nineteen thousand, eight hundred forty".