1800785048 has 16 divisors (see below), whose sum is σ = 3396692880. Its totient is φ = 895000288.

The previous prime is 1800785047. The next prime is 1800785053. The reversal of 1800785048 is 8405870081.

It is a junction number, because it is equal to n+sod(n) for n = 1800784996 and 1800785014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800785047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672611 + ... + 675282.

It is an arithmetic number, because the mean of its divisors is an integer number (212293305).

Almost surely, 2^1800785048 is an apocalyptic number.

It is an amenable number.

1800785048 is a deficient number, since it is larger than the sum of its proper divisors (1595907832).

1800785048 is a wasteful number, since it uses less digits than its factorization.

1800785048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348066 (or 1348062 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 1800785048 is about 42435.6577420452. The cubic root of 1800785048 is about 1216.6172186154.

The spelling of 1800785048 in words is "one billion, eight hundred million, seven hundred eighty-five thousand, forty-eight".