1801200336 has 160 divisors (see below), whose sum is σ = 5163419520. Its totient is φ = 537618432.

The previous prime is 1801200319. The next prime is 1801200343. The reversal of 1801200336 is 6330021081.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3538450 + ... + 3538958.

It is an arithmetic number, because the mean of its divisors is an integer number (32271372).

Almost surely, 2^1801200336 is an apocalyptic number.

1801200336 is a gapful number since it is divisible by the number (16) 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 1801200336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2581709760).

1801200336 is an abundant number, since it is smaller than the sum of its proper divisors (3362219184).

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

1801200336 is a wasteful number, since it uses less digits than its factorization.

1801200336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1801200336 is about 42440.5506090578. The cubic root of 1801200336 is about 1216.7107348105.

The spelling of 1801200336 in words is "one billion, eight hundred one million, two hundred thousand, three hundred thirty-six".