2040628305 has 8 divisors (see below), whose sum is σ = 3265005312. Its totient is φ = 1088335088.

The previous prime is 2040628279. The next prime is 2040628307. The reversal of 2040628305 is 5038260402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2040628305 - 2⁵ = 2040628273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2040628307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68020929 + ... + 68020958.

It is an arithmetic number, because the mean of its divisors is an integer number (408125664).

Almost surely, 2^2040628305 is an apocalyptic number.

It is an amenable number.

2040628305 is a deficient number, since it is larger than the sum of its proper divisors (1224377007).

2040628305 is a wasteful number, since it uses less digits than its factorization.

2040628305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136041895.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2040628305 is about 45173.3140803284. The cubic root of 2040628305 is about 1268.3953331578.

Adding to 2040628305 its reverse (5038260402), we get a palindrome (7078888707).

The spelling of 2040628305 in words is "two billion, forty million, six hundred twenty-eight thousand, three hundred five".