1980622522872 has 640 divisors, whose sum is σ = 6718441635840. Its totient is φ = 533311672320.

The previous prime is 1980622522867. The next prime is 1980622522873. The reversal of 1980622522872 is 2782252260891.

1980622522872 is a `hidden beast` number, since 1 + 9 + 8 + 0 + 622 + 5 + 2 + 2 + 8 + 7 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980622522873) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 916529472 + ... + 916531632.

It is an arithmetic number, because the mean of its divisors is an integer number (10497565056).

Almost surely, 2^{1980622522872} is an apocalyptic number.

1980622522872 is a gapful number since it is divisible by the number (12) 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 1980622522872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3359220817920).

1980622522872 is an abundant number, since it is smaller than the sum of its proper divisors (4737819112968).

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

1980622522872 is a wasteful number, since it uses less digits than its factorization.

1980622522872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393 (or 2380 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 1980622522872 in words is "one trillion, nine hundred eighty billion, six hundred twenty-two million, five hundred twenty-two thousand, eight hundred seventy-two".