2051800512 has 28 divisors (see below), whose sum is σ = 5428722696. Its totient is φ = 683933440.

The previous prime is 2051800511. The next prime is 2051800523. The reversal of 2051800512 is 2150081502.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051800511) 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, 5343039 + ... + 5343422.

Almost surely, 2^2051800512 is an apocalyptic number.

It is an amenable number.

2051800512 is an abundant number, since it is smaller than the sum of its proper divisors (3376922184).

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

2051800512 is a wasteful number, since it uses less digits than its factorization.

2051800512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10686476 (or 10686466 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 2051800512 is about 45296.8046555163. The cubic root of 2051800512 is about 1270.7058948009.

The spelling of 2051800512 in words is "two billion, fifty-one million, eight hundred thousand, five hundred twelve".