1798450680 has 96 divisors (see below), whose sum is σ = 5842370160. Its totient is φ = 442690560.

The previous prime is 1798450673. The next prime is 1798450697. The reversal of 1798450680 is 860548971.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 24061 + ... + 64620.

Almost surely, 2^1798450680 is an apocalyptic number.

1798450680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1798450680 is an abundant number, since it is smaller than the sum of its proper divisors (4043919480).

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

1798450680 is a wasteful number, since it uses less digits than its factorization.

1798450680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88721 (or 88704 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 1798450680 is about 42408.1440291838. The cubic root of 1798450680 is about 1216.0912886653.

The spelling of 1798450680 in words is "one billion, seven hundred ninety-eight million, four hundred fifty thousand, six hundred eighty".