1813033530144 has 72 divisors (see below), whose sum is σ = 5427172754640. Its totient is φ = 572536902528.

The previous prime is 1813033530127. The next prime is 1813033530223. The reversal of 1813033530144 is 4410353303181.

1813033530144 is a `hidden beast` number, since 1 + 8 + 1 + 303 + 3 + 5 + 301 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a junction number, because it is equal to n+sod(n) for n = 1813033530099 and 1813033530108.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165659142 + ... + 165670085.

It is an arithmetic number, because the mean of its divisors is an integer number (75377399370).

Almost surely, 2^{1813033530144} is an apocalyptic number.

It is an amenable number.

1813033530144 is an abundant number, since it is smaller than the sum of its proper divisors (3614139224496).

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

1813033530144 is a wasteful number, since it uses less digits than its factorization.

1813033530144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331329262 (or 331329251 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 1813033530144 in words is "one trillion, eight hundred thirteen billion, thirty-three million, five hundred thirty thousand, one hundred forty-four".