1809230412 has 24 divisors (see below), whose sum is σ = 4605314112. Its totient is φ = 548251600.

The previous prime is 1809230383. The next prime is 1809230447. The reversal of 1809230412 is 2140329081.

It is a self number, because there is not a number n which added to its sum of digits gives 1809230412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6853014 + ... + 6853277.

It is an arithmetic number, because the mean of its divisors is an integer number (191888088).

Almost surely, 2^1809230412 is an apocalyptic number.

1809230412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1809230412 is an abundant number, since it is smaller than the sum of its proper divisors (2796083700).

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

1809230412 is a wasteful number, since it uses less digits than its factorization.

1809230412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13706309 (or 13706307 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1809230412 is about 42535.0492182623. The cubic root of 1809230412 is about 1218.5161598016.

Adding to 1809230412 its reverse (2140329081), we get a palindrome (3949559493).

It can be divided in two parts, 1809 and 230412, that added together give a triangular number (232221 = T₆₈₁).

The spelling of 1809230412 in words is "one billion, eight hundred nine million, two hundred thirty thousand, four hundred twelve".