1980842050 has 48 divisors (see below), whose sum is σ = 4070275200. Its totient is φ = 711172800.

The previous prime is 1980842033. The next prime is 1980842063. The reversal of 1980842050 is 502480891.

1980842050 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20656 + ... + 66244.

It is an arithmetic number, because the mean of its divisors is an integer number (84797400).

Almost surely, 2^1980842050 is an apocalyptic number.

1980842050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1980842050 is an abundant number, since it is smaller than the sum of its proper divisors (2089433150).

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

1980842050 is a wasteful number, since it uses less digits than its factorization.

1980842050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45691 (or 45686 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 1980842050 is about 44506.6517500474. The cubic root of 1980842050 is about 1255.8852185431.

The spelling of 1980842050 in words is "one billion, nine hundred eighty million, eight hundred forty-two thousand, fifty".