1980941436288 has 64 divisors (see below), whose sum is σ = 5846528554800. Its totient is φ = 660313810944.

The previous prime is 1980941436233. The next prime is 1980941436289. The reversal of 1980941436288 is 8826341490891.

1980941436288 is a `hidden beast` number, since 1 + 9 + 80 + 9 + 41 + 436 + 2 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980941436289) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 286591081 + ... + 286597992.

Almost surely, 2^{1980941436288} is an apocalyptic number.

1980941436288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1980941436288 is an abundant number, since it is smaller than the sum of its proper divisors (3865587118512).

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

1980941436288 is an equidigital number, since it uses as much as digits as its factorization.

1980941436288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573189096 (or 573189078 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The spelling of 1980941436288 in words is "one trillion, nine hundred eighty billion, nine hundred forty-one million, four hundred thirty-six thousand, two hundred eighty-eight".