1812024832 has 80 divisors (see below), whose sum is σ = 4035612240. Its totient is φ = 807763968.

The previous prime is 1812024811. The next prime is 1812024833. The reversal of 1812024832 is 2384202181.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1812024794 and 1812024803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1812024833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159898 + ... + 170854.

It is an arithmetic number, because the mean of its divisors is an integer number (50445153).

Almost surely, 2^1812024832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1812024832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2017806120).

1812024832 is an abundant number, since it is smaller than the sum of its proper divisors (2223587408).

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

1812024832 is a wasteful number, since it uses less digits than its factorization.

1812024832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011 (or 10995 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1812024832 is about 42567.8849838702. The cubic root of 1812024832 is about 1219.1431841128.

The spelling of 1812024832 in words is "one billion, eight hundred twelve million, twenty-four thousand, eight hundred thirty-two".