1988944407360 has 224 divisors, whose sum is σ = 7017627905280. Its totient is φ = 530303993856.

The previous prime is 1988944407349. The next prime is 1988944407367. The reversal of 1988944407360 is 637044498891.

1988944407360 is a `hidden beast` number, since 1 + 9 + 88 + 94 + 4 + 407 + 3 + 60 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1988944407367) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 74835034 + ... + 74861606.

Almost surely, 2^{1988944407360} is an apocalyptic number.

1988944407360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1988944407360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3508813952640).

1988944407360 is an abundant number, since it is smaller than the sum of its proper divisors (5028683497920).

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

1988944407360 is a wasteful number, since it uses less digits than its factorization.

1988944407360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35262 (or 35246 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

It can be divided in two parts, 1988944 and 407360, that added together give a square (2396304 = 1548²).

The spelling of 1988944407360 in words is "one trillion, nine hundred eighty-eight billion, nine hundred forty-four million, four hundred seven thousand, three hundred sixty".