2005254240994 has 16 divisors (see below), whose sum is σ = 3119994184032. Its totient is φ = 965894999328.

The previous prime is 2005254240989. The next prime is 2005254241027. The reversal of 2005254240994 is 4990424525002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159698584 + ... + 159711139.

It is an arithmetic number, because the mean of its divisors is an integer number (194999636502).

Almost surely, 2^{2005254240994} is an apocalyptic number.

2005254240994 is a deficient number, since it is larger than the sum of its proper divisors (1114739943038).

2005254240994 is a wasteful number, since it uses less digits than its factorization.

2005254240994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319409841.

The product of its (nonzero) digits is 1036800, while the sum is 46.

Adding to 2005254240994 its reverse (4990424525002), we get a palindrome (6995678765996).

The spelling of 2005254240994 in words is "two trillion, five billion, two hundred fifty-four million, two hundred forty thousand, nine hundred ninety-four".