2005453140 has 48 divisors (see below), whose sum is σ = 5620950720. Its totient is φ = 534246400.

The previous prime is 2005453123. The next prime is 2005453187. The reversal of 2005453140 is 413545002.

It is a self number, because there is not a number n which added to its sum of digits gives 2005453140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44740 + ... + 77540.

It is an arithmetic number, because the mean of its divisors is an integer number (117103140).

Almost surely, 2^2005453140 is an apocalyptic number.

2005453140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005453140 is an abundant number, since it is smaller than the sum of its proper divisors (3615497580).

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

2005453140 is a wasteful number, since it uses less digits than its factorization.

2005453140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33832 (or 33830 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2005453140 is about 44782.2860068577. The cubic root of 2005453140 is about 1261.0650983936.

Adding to 2005453140 its reverse (413545002), we get a palindrome (2418998142).

The spelling of 2005453140 in words is "two billion, five million, four hundred fifty-three thousand, one hundred forty".