988844318644 has 24 divisors (see below), whose sum is σ = 2129818533248. Its totient is φ = 391191158880.

The previous prime is 988844318639. The next prime is 988844318653. The reversal of 988844318644 is 446813448889.

It is a self number, because there is not a number n which added to its sum of digits gives 988844318644.

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, 1358302272 + ... + 1358302999.

Almost surely, 2^988844318644 is an apocalyptic number.

It is an amenable number.

988844318644 is an abundant number, since it is smaller than the sum of its proper divisors (1140974214604).

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

988844318644 is a wasteful number, since it uses less digits than its factorization.

988844318644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716605295 (or 2716605293 counting only the distinct ones).

The product of its digits is 169869312, while the sum is 67.

The spelling of 988844318644 in words is "nine hundred eighty-eight billion, eight hundred forty-four million, three hundred eighteen thousand, six hundred forty-four".