2005402260 has 24 divisors (see below), whose sum is σ = 5615126496. Its totient is φ = 534773920.

The previous prime is 2005402249. The next prime is 2005402261. The reversal of 2005402260 is 622045002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005402261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16711626 + ... + 16711745.

It is an arithmetic number, because the mean of its divisors is an integer number (233963604).

Almost surely, 2^2005402260 is an apocalyptic number.

2005402260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005402260 is an abundant number, since it is smaller than the sum of its proper divisors (3609724236).

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

2005402260 is a wasteful number, since it uses less digits than its factorization.

2005402260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33423383 (or 33423381 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2005402260 is about 44781.7179214911. The cubic root of 2005402260 is about 1261.0544335496.

Adding to 2005402260 its reverse (622045002), we get a palindrome (2627447262).

The spelling of 2005402260 in words is "two billion, five million, four hundred two thousand, two hundred sixty".