989810010320 has 40 divisors (see below), whose sum is σ = 2401365159936. Its totient is φ = 378709916288.

The previous prime is 989810010317. The next prime is 989810010377. The reversal of 989810010320 is 23010018989.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268968272 + ... + 268971951.

Almost surely, 2^989810010320 is an apocalyptic number.

It is an amenable number.

989810010320 is an abundant number, since it is smaller than the sum of its proper divisors (1411555149616).

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

989810010320 is a wasteful number, since it uses less digits than its factorization.

989810010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537940259 (or 537940253 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 989810010320 in words is "nine hundred eighty-nine billion, eight hundred ten million, ten thousand, three hundred twenty".