1801027872 has 240 divisors, whose sum is σ = 6410638080. Its totient is φ = 484227072.

The previous prime is 1801027853. The next prime is 1801027883. The reversal of 1801027872 is 2787201081.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 305529 + ... + 311367.

It is an arithmetic number, because the mean of its divisors is an integer number (26710992).

Almost surely, 2^1801027872 is an apocalyptic number.

1801027872 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 1801027872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3205319040).

1801027872 is an abundant number, since it is smaller than the sum of its proper divisors (4609610208).

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

1801027872 is a wasteful number, since it uses less digits than its factorization.

1801027872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5885 (or 5868 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 1801027872 is about 42438.5187300405. The cubic root of 1801027872 is about 1216.6719004299.

The spelling of 1801027872 in words is "one billion, eight hundred one million, twenty-seven thousand, eight hundred seventy-two".