2005042540408 has 16 divisors (see below), whose sum is σ = 3765859294680. Its totient is φ = 1000813395168.

The previous prime is 2005042540387. The next prime is 2005042540531. The reversal of 2005042540408 is 8040452405002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213479391 + ... + 213488782.

Almost surely, 2^{2005042540408} is an apocalyptic number.

It is an amenable number.

2005042540408 is a deficient number, since it is larger than the sum of its proper divisors (1760816754272).

2005042540408 is a wasteful number, since it uses less digits than its factorization.

2005042540408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426968766 (or 426968762 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

The spelling of 2005042540408 in words is "two trillion, five billion, forty-two million, five hundred forty thousand, four hundred eight".