1799785344 has 128 divisors (see below), whose sum is σ = 5504083200. Its totient is φ = 510418944.

The previous prime is 1799785343. The next prime is 1799785373. The reversal of 1799785344 is 4435879971.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1799785343) 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, 371224 + ... + 376040.

It is an arithmetic number, because the mean of its divisors is an integer number (43000650).

Almost surely, 2^1799785344 is an apocalyptic number.

1799785344 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 1799785344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2752041600).

1799785344 is an abundant number, since it is smaller than the sum of its proper divisors (3704297856).

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

1799785344 is a wasteful number, since it uses less digits than its factorization.

1799785344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980 (or 4968 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 57.

The square root of 1799785344 is about 42423.8770505478. The cubic root of 1799785344 is about 1216.3920423349.

The spelling of 1799785344 in words is "one billion, seven hundred ninety-nine million, seven hundred eighty-five thousand, three hundred forty-four".