1572978980180 has 48 divisors (see below), whose sum is σ = 3386838256704. Its totient is φ = 613298484480.

The previous prime is 1572978980159. The next prime is 1572978980197. The reversal of 1572978980180 is 810898792751.

It is a super-2 number, since 2×1572978980180² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66779 + ... + 1774941.

It is an arithmetic number, because the mean of its divisors is an integer number (70559130348).

Almost surely, 2^{1572978980180} is an apocalyptic number.

1572978980180 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 1572978980180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693419128352).

1572978980180 is an abundant number, since it is smaller than the sum of its proper divisors (1813859276524).

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

1572978980180 is a wasteful number, since it uses less digits than its factorization.

1572978980180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709336 (or 1709334 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 65.

The spelling of 1572978980180 in words is "one trillion, five hundred seventy-two billion, nine hundred seventy-eight million, nine hundred eighty thousand, one hundred eighty".