1980246005742 has 16 divisors (see below), whose sum is σ = 3970941863040. Its totient is φ = 658340359992.

The previous prime is 1980246005693. The next prime is 1980246005789. The reversal of 1980246005742 is 2475006420891.

It is a junction number, because it is equal to n+sod(n) for n = 1980246005691 and 1980246005700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435408018 + ... + 435412565.

It is an arithmetic number, because the mean of its divisors is an integer number (248183866440).

Almost surely, 2^{1980246005742} is an apocalyptic number.

1980246005742 is an abundant number, since it is smaller than the sum of its proper divisors (1990695857298).

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

1980246005742 is a wasteful number, since it uses less digits than its factorization.

1980246005742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870820967.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 1980246005742 in words is "one trillion, nine hundred eighty billion, two hundred forty-six million, five thousand, seven hundred forty-two".