1800243696 has 80 divisors (see below), whose sum is σ = 4930854048. Its totient is φ = 564019200.

The previous prime is 1800243671. The next prime is 1800243707. The reversal of 1800243696 is 6963420081.

1800243696 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1109766 + ... + 1111386.

Almost surely, 2^1800243696 is an apocalyptic number.

1800243696 is a gapful number since it is divisible by the number (16) 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 1800243696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2465427024).

1800243696 is an abundant number, since it is smaller than the sum of its proper divisors (3130610352).

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

1800243696 is a wasteful number, since it uses less digits than its factorization.

1800243696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010 (or 3004 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1800243696 is about 42429.2787588948. The cubic root of 1800243696 is about 1216.4952932411.

The spelling of 1800243696 in words is "one billion, eight hundred million, two hundred forty-three thousand, six hundred ninety-six".