2065440102 has 64 divisors (see below), whose sum is σ = 4568555520. Its totient is φ = 617312000.

The previous prime is 2065440101. The next prime is 2065440121. The reversal of 2065440102 is 2010445602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065440101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2552674 + ... + 2553482.

It is an arithmetic number, because the mean of its divisors is an integer number (71383680).

Almost surely, 2^2065440102 is an apocalyptic number.

2065440102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2065440102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2284277760).

2065440102 is an abundant number, since it is smaller than the sum of its proper divisors (2503115418).

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

2065440102 is a wasteful number, since it uses less digits than its factorization.

2065440102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2065440102 is about 45447.1132416571. The cubic root of 2065440102 is about 1273.5154017377.

Adding to 2065440102 its reverse (2010445602), we get a palindrome (4075885704).

The spelling of 2065440102 in words is "two billion, sixty-five million, four hundred forty thousand, one hundred two".