2005540435426 has 8 divisors (see below), whose sum is σ = 3281793439824. Its totient is φ = 911609288820.

The previous prime is 2005540435417. The next prime is 2005540435439. The reversal of 2005540435426 is 6245340455002.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45580464420 + ... + 45580464463.

It is an arithmetic number, because the mean of its divisors is an integer number (410224179978).

Almost surely, 2^{2005540435426} is an apocalyptic number.

2005540435426 is a deficient number, since it is larger than the sum of its proper divisors (1276253004398).

2005540435426 is a wasteful number, since it uses less digits than its factorization.

2005540435426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91160928896.

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 2005540435426 in words is "two trillion, five billion, five hundred forty million, four hundred thirty-five thousand, four hundred twenty-six".