1720989084000 has 384 divisors, whose sum is σ = 6036742857600. Its totient is φ = 427076812800.

The previous prime is 1720989083999. The next prime is 1720989084071. The reversal of 1720989084000 is 4809890271.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18108606 + ... + 18203394.

It is an arithmetic number, because the mean of its divisors is an integer number (15720684525).

Almost surely, 2^{1720989084000} is an apocalyptic number.

1720989084000 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 1720989084000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3018371428800).

1720989084000 is an abundant number, since it is smaller than the sum of its proper divisors (4315753773600).

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

1720989084000 is a wasteful number, since it uses less digits than its factorization.

1720989084000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94923 (or 94905 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 1720989084000 in words is "one trillion, seven hundred twenty billion, nine hundred eighty-nine million, eighty-four thousand".