1980830648 has 16 divisors (see below), whose sum is σ = 3714591960. Its totient is φ = 990272800.

The previous prime is 1980830623. The next prime is 1980830671. The reversal of 1980830648 is 8460380891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62603 + ... + 88773.

Almost surely, 2^1980830648 is an apocalyptic number.

It is an amenable number.

1980830648 is a deficient number, since it is larger than the sum of its proper divisors (1733761312).

1980830648 is a wasteful number, since it uses less digits than its factorization.

1980830648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35638 (or 35634 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 1980830648 is about 44506.5236566506. The cubic root of 1980830648 is about 1255.8828088557.

The spelling of 1980830648 in words is "one billion, nine hundred eighty million, eight hundred thirty thousand, six hundred forty-eight".