1800245028 has 24 divisors (see below), whose sum is σ = 4218921280. Its totient is φ = 597460320.

The previous prime is 1800244991. The next prime is 1800245071. The reversal of 1800245028 is 8205420081.

1800245028 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1800244986 and 1800245004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324808 + ... + 330303.

Almost surely, 2^1800245028 is an apocalyptic number.

It is an amenable number.

1800245028 is an abundant number, since it is smaller than the sum of its proper divisors (2418676252).

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

1800245028 is a wasteful number, since it uses less digits than its factorization.

1800245028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655347 (or 655345 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 1800245028 is about 42429.2944555999. The cubic root of 1800245028 is about 1216.4955932692.

The spelling of 1800245028 in words is "one billion, eight hundred million, two hundred forty-five thousand, twenty-eight".