2005403340 has 48 divisors (see below), whose sum is σ = 5634343008. Its totient is φ = 532944384.

The previous prime is 2005403329. The next prime is 2005403353. The reversal of 2005403340 is 433045002.

It is a happy 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, 39457 + ... + 74616.

It is an arithmetic number, because the mean of its divisors is an integer number (117382146).

Almost surely, 2^2005403340 is an apocalyptic number.

2005403340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005403340 is an abundant number, since it is smaller than the sum of its proper divisors (3628939668).

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

2005403340 is a wasteful number, since it uses less digits than its factorization.

2005403340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114378 (or 114376 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 2005403340 is about 44781.7299799818. The cubic root of 2005403340 is about 1261.0546599278.

Adding to 2005403340 its reverse (433045002), we get a palindrome (2438448342).

The spelling of 2005403340 in words is "two billion, five million, four hundred three thousand, three hundred forty".