1803285120 has 256 divisors, whose sum is σ = 7075111680. Its totient is φ = 380436480.

The previous prime is 1803285119. The next prime is 1803285139. The reversal of 1803285120 is 215823081.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 169560 + ... + 179880.

It is an arithmetic number, because the mean of its divisors is an integer number (27637155).

Almost surely, 2^1803285120 is an apocalyptic number.

1803285120 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 1803285120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3537555840).

1803285120 is an abundant number, since it is smaller than the sum of its proper divisors (5271826560).

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

1803285120 is a wasteful number, since it uses less digits than its factorization.

1803285120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10363 (or 10351 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1803285120 is about 42465.1047331806. The cubic root of 1803285120 is about 1217.1799776451.

The spelling of 1803285120 in words is "one billion, eight hundred three million, two hundred eighty-five thousand, one hundred twenty".