1799383840 has 96 divisors (see below), whose sum is σ = 4579255296. Its totient is φ = 666209280.

The previous prime is 1799383837. The next prime is 1799383849. The reversal of 1799383840 is 483839971.

It is not an unprimeable number, because it can be changed into a prime (1799383849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106194 + ... + 121966.

It is an arithmetic number, because the mean of its divisors is an integer number (47700576).

Almost surely, 2^1799383840 is an apocalyptic number.

1799383840 is a gapful number since it is divisible by the number (10) 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 1799383840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2289627648).

1799383840 is an abundant number, since it is smaller than the sum of its proper divisors (2779871456).

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

1799383840 is a wasteful number, since it uses less digits than its factorization.

1799383840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15842 (or 15834 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 1799383840 is about 42419.1447344239. The cubic root of 1799383840 is about 1216.3015829192.

The spelling of 1799383840 in words is "one billion, seven hundred ninety-nine million, three hundred eighty-three thousand, eight hundred forty".