2044665306 has 12 divisors (see below), whose sum is σ = 4430108202. Its totient is φ = 681555096.

The previous prime is 2044665253. The next prime is 2044665307. The reversal of 2044665306 is 6035664402.

2044665306 is a `hidden beast` number, since 20 + 44 + 66 + 530 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1914500025 + 130165281 = 43755^2 + 11409^2 .

It is not an unprimeable number, because it can be changed into a prime (2044665307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56796241 + ... + 56796276.

Almost surely, 2^2044665306 is an apocalyptic number.

2044665306 is an abundant number, since it is smaller than the sum of its proper divisors (2385442896).

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

2044665306 is a wasteful number, since it uses less digits than its factorization.

2044665306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113592525 (or 113592522 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 2044665306 is about 45217.9754743620. The cubic root of 2044665306 is about 1269.2312097460.

The spelling of 2044665306 in words is "two billion, forty-four million, six hundred sixty-five thousand, three hundred six".