1798644680 has 64 divisors (see below), whose sum is σ = 4629934080. Its totient is φ = 616032000.

The previous prime is 1798644619. The next prime is 1798644691. The reversal of 1798644680 is 864468971.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319490 + ... + 325070.

It is an arithmetic number, because the mean of its divisors is an integer number (72342720).

Almost surely, 2^1798644680 is an apocalyptic number.

1798644680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1798644680 is an abundant number, since it is smaller than the sum of its proper divisors (2831289400).

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

1798644680 is a wasteful number, since it uses less digits than its factorization.

1798644680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6750 (or 6746 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 1798644680 is about 42410.4312640181. The cubic root of 1798644680 is about 1216.1350139359.

The spelling of 1798644680 in words is "one billion, seven hundred ninety-eight million, six hundred forty-four thousand, six hundred eighty".