2040618066 has 32 divisors (see below), whose sum is σ = 4103438400. Its totient is φ = 676515840.

The previous prime is 2040618061. The next prime is 2040618067. The reversal of 2040618066 is 6608160402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2040618061) 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, 1447570 + ... + 1448978.

It is an arithmetic number, because the mean of its divisors is an integer number (128232450).

Almost surely, 2^2040618066 is an apocalyptic number.

2040618066 is an abundant number, since it is smaller than the sum of its proper divisors (2062820334).

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

2040618066 is a wasteful number, since it uses less digits than its factorization.

2040618066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 2040618066 is about 45173.2007500022. The cubic root of 2040618066 is about 1268.3932117325.

Adding to 2040618066 its reverse (6608160402), we get a palindrome (8648778468).

The spelling of 2040618066 in words is "two billion, forty million, six hundred eighteen thousand, sixty-six".