1799400960 has 320 divisors, whose sum is σ = 7306675200. Its totient is φ = 411181056.

The previous prime is 1799400959. The next prime is 1799400971. The reversal of 1799400960 is 690049971.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481981 + ... + 485699.

It is an arithmetic number, because the mean of its divisors is an integer number (22833360).

Almost surely, 2^1799400960 is an apocalyptic number.

1799400960 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 1799400960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3653337600).

1799400960 is an abundant number, since it is smaller than the sum of its proper divisors (5507274240).

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

1799400960 is an equidigital number, since it uses as much as digits as its factorization.

1799400960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758 (or 3736 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 1799400960 is about 42419.3465296202. The cubic root of 1799400960 is about 1216.3054403539.

The spelling of 1799400960 in words is "one billion, seven hundred ninety-nine million, four hundred thousand, nine hundred sixty".