1980926943120 has 160 divisors (see below), whose sum is σ = 6885791721600. Its totient is φ = 523400818176.

The previous prime is 1980926943101. The next prime is 1980926943133. The reversal of 1980926943120 is 213496290891.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3971422 + ... + 4442301.

It is an arithmetic number, because the mean of its divisors is an integer number (43036198260).

Almost surely, 2^{1980926943120} is an apocalyptic number.

1980926943120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1980926943120 is an abundant number, since it is smaller than the sum of its proper divisors (4904864778480).

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

1980926943120 is a wasteful number, since it uses less digits than its factorization.

1980926943120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8413854 (or 8413842 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 1980926943120 in words is "one trillion, nine hundred eighty billion, nine hundred twenty-six million, nine hundred forty-three thousand, one hundred twenty".