1801041312 has 192 divisors, whose sum is σ = 5935749120. Its totient is φ = 466228224.

The previous prime is 1801041299. The next prime is 1801041313. The reversal of 1801041312 is 2131401081.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1801041313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290598 + ... + 296730.

It is an arithmetic number, because the mean of its divisors is an integer number (30915360).

Almost surely, 2^1801041312 is an apocalyptic number.

1801041312 is a gapful number since it is divisible by the number (12) 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 1801041312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2967874560).

1801041312 is an abundant number, since it is smaller than the sum of its proper divisors (4134707808).

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

1801041312 is a wasteful number, since it uses less digits than its factorization.

1801041312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6195 (or 6187 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1801041312 is about 42438.6770764594. The cubic root of 1801041312 is about 1216.6749268554.

Adding to 1801041312 its reverse (2131401081), we get a palindrome (3932442393).

The spelling of 1801041312 in words is "one billion, eight hundred one million, forty-one thousand, three hundred twelve".