1812025968 has 80 divisors (see below), whose sum is σ = 4794978816. Its totient is φ = 589388800.

The previous prime is 1812025939. The next prime is 1812025987. The reversal of 1812025968 is 8695202181.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903655 + ... + 905657.

Almost surely, 2^1812025968 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 1812025968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2397489408).

1812025968 is an abundant number, since it is smaller than the sum of its proper divisors (2982952848).

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

1812025968 is a wasteful number, since it uses less digits than its factorization.

1812025968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462 (or 2456 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 1812025968 is about 42567.8983272606. The cubic root of 1812025968 is about 1219.1434388824.

The spelling of 1812025968 in words is "one billion, eight hundred twelve million, twenty-five thousand, nine hundred sixty-eight".