1799819560 has 64 divisors (see below), whose sum is σ = 5048853120. Its totient is φ = 560981760.

The previous prime is 1799819557. The next prime is 1799819561. The reversal of 1799819560 is 659189971.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (1799819561) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 289099 + ... + 295258.

It is an arithmetic number, because the mean of its divisors is an integer number (78888330).

Almost surely, 2^1799819560 is an apocalyptic number.

1799819560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1799819560 is an abundant number, since it is smaller than the sum of its proper divisors (3249033560).

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

1799819560 is a wasteful number, since it uses less digits than its factorization.

1799819560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584386 (or 584382 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 55.

The square root of 1799819560 is about 42424.2803121043. The cubic root of 1799819560 is about 1216.3997506257.

The spelling of 1799819560 in words is "one billion, seven hundred ninety-nine million, eight hundred nineteen thousand, five hundred sixty".