1980388704 has 192 divisors, whose sum is σ = 6120576000. Its totient is φ = 560415744.

The previous prime is 1980388691. The next prime is 1980388721. The reversal of 1980388704 is 4078830891.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 31 ways as a sum of consecutive naturals, for example, 4510917 + ... + 4511355.

It is an arithmetic number, because the mean of its divisors is an integer number (31878000).

Almost surely, 2^1980388704 is an apocalyptic number.

1980388704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1980388704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3060288000).

1980388704 is an abundant number, since it is smaller than the sum of its proper divisors (4140187296).

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

1980388704 is a wasteful number, since it uses less digits than its factorization.

1980388704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 1980388704 is about 44501.5584446208. The cubic root of 1980388704 is about 1255.7894017194.

The spelling of 1980388704 in words is "one billion, nine hundred eighty million, three hundred eighty-eight thousand, seven hundred four".