1980441069120 has 336 divisors, whose sum is σ = 7482174560640. Its totient is φ = 478568521728.

The previous prime is 1980441069053. The next prime is 1980441069163. The reversal of 1980441069120 is 219601440891.

It is a happy number.

1980441069120 is a `hidden beast` number, since 1 + 9 + 80 + 441 + 0 + 6 + 9 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 471772 + ... + 2045348.

Almost surely, 2^{1980441069120} is an apocalyptic number.

1980441069120 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 1980441069120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3741087280320).

1980441069120 is an abundant number, since it is smaller than the sum of its proper divisors (5501733491520).

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

1980441069120 is a wasteful number, since it uses less digits than its factorization.

1980441069120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573642 (or 1573629 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 1980441069120 in words is "one trillion, nine hundred eighty billion, four hundred forty-one million, sixty-nine thousand, one hundred twenty".