1990768360 has 32 divisors (see below), whose sum is σ = 5119119360. Its totient is φ = 682549056.

The previous prime is 1990768349. The next prime is 1990768399. The reversal of 1990768360 is 638670991.

1990768360 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3554664 + ... + 3555223.

It is an arithmetic number, because the mean of its divisors is an integer number (159972480).

Almost surely, 2^1990768360 is an apocalyptic number.

1990768360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1990768360 is an abundant number, since it is smaller than the sum of its proper divisors (3128351000).

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

1990768360 is a wasteful number, since it uses less digits than its factorization.

1990768360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7109905 (or 7109901 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 1990768360 is about 44618.0272983914. The cubic root of 1990768360 is about 1257.9795366716.

The spelling of 1990768360 in words is "one billion, nine hundred ninety million, seven hundred sixty-eight thousand, three hundred sixty".