2044786668 has 48 divisors (see below), whose sum is σ = 4850858880. Its totient is φ = 670247424.

The previous prime is 2044786663. The next prime is 2044786703. The reversal of 2044786668 is 8666874402.

It is a self number, because there is not a number n which added to its sum of digits gives 2044786668.

It is not an unprimeable number, because it can be changed into a prime (2044786663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539203 + ... + 542981.

It is an arithmetic number, because the mean of its divisors is an integer number (101059560).

Almost surely, 2^2044786668 is an apocalyptic number.

It is an amenable number.

2044786668 is an abundant number, since it is smaller than the sum of its proper divisors (2806072212).

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

2044786668 is a wasteful number, since it uses less digits than its factorization.

2044786668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526 (or 4524 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 51.

The square root of 2044786668 is about 45219.3174207661. The cubic root of 2044786668 is about 1269.2563211730.

The spelling of 2044786668 in words is "two billion, forty-four million, seven hundred eighty-six thousand, six hundred sixty-eight".