1980580148 has 12 divisors (see below), whose sum is σ = 3467652132. Its totient is φ = 989822400.

The previous prime is 1980580139. The next prime is 1980580181. The reversal of 1980580148 is 8410850891.

It can be written as a sum of positive squares in 2 ways, for example, as 305970064 + 1674610084 = 17492^2 + 40922^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1980580099 and 1980580108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107303 + ... + 124398.

It is an arithmetic number, because the mean of its divisors is an integer number (288971011).

Almost surely, 2^1980580148 is an apocalyptic number.

It is an amenable number.

1980580148 is a deficient number, since it is larger than the sum of its proper divisors (1487071984).

1980580148 is a wasteful number, since it uses less digits than its factorization.

1980580148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233842 (or 233840 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 44.

The square root of 1980580148 is about 44503.7093734893. The cubic root of 1980580148 is about 1255.8298660988.

The spelling of 1980580148 in words is "one billion, nine hundred eighty million, five hundred eighty thousand, one hundred forty-eight".