1980759294 has 12 divisors (see below), whose sum is σ = 4291645176. Its totient is φ = 660253092.

The previous prime is 1980759293. The next prime is 1980759307. The reversal of 1980759294 is 4929570891.

It is a self number, because there is not a number n which added to its sum of digits gives 1980759294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980759293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55021074 + ... + 55021109.

It is an arithmetic number, because the mean of its divisors is an integer number (357637098).

Almost surely, 2^1980759294 is an apocalyptic number.

1980759294 is an abundant number, since it is smaller than the sum of its proper divisors (2310885882).

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

1980759294 is a wasteful number, since it uses less digits than its factorization.

1980759294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110042191 (or 110042188 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The square root of 1980759294 is about 44505.7220366101. The cubic root of 1980759294 is about 1255.8677287615.

The spelling of 1980759294 in words is "one billion, nine hundred eighty million, seven hundred fifty-nine thousand, two hundred ninety-four".