2005042540399 has 8 divisors (see below), whose sum is σ = 2123002392480. Its totient is φ = 1887084485376.

The previous prime is 2005042540387. The next prime is 2005042540531. The reversal of 2005042540399 is 9930452405002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2005042540399 - 2⁵ = 2005042540367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005042540799) 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, 2344147 + ... + 3083035.

It is an arithmetic number, because the mean of its divisors is an integer number (265375299060).

Almost surely, 2^{2005042540399} is an apocalyptic number.

2005042540399 is a deficient number, since it is larger than the sum of its proper divisors (117959852081).

2005042540399 is a wasteful number, since it uses less digits than its factorization.

2005042540399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898529.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 2005042540399 in words is "two trillion, five billion, forty-two million, five hundred forty thousand, three hundred ninety-nine".