1810945048 has 48 divisors (see below), whose sum is σ = 3761021880. Its totient is φ = 816816000.

The previous prime is 1810945039. The next prime is 1810945061. The reversal of 1810945048 is 8405490181.

It is a self number, because there is not a number n which added to its sum of digits gives 1810945048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119668 + ... + 133948.

Almost surely, 2^1810945048 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 1810945048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1880510940).

1810945048 is an abundant number, since it is smaller than the sum of its proper divisors (1950076832).

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

1810945048 is a wasteful number, since it uses less digits than its factorization.

1810945048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14440 (or 14425 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 1810945048 is about 42555.2000112795. The cubic root of 1810945048 is about 1218.9009738793.

The spelling of 1810945048 in words is "one billion, eight hundred ten million, nine hundred forty-five thousand, forty-eight".