556206444542 has 64 divisors (see below), whose sum is σ = 987674688000. Its totient is φ = 229983546240.

The previous prime is 556206444527. The next prime is 556206444571. The reversal of 556206444542 is 245444602655.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16218209 + ... + 16252467.

It is an arithmetic number, because the mean of its divisors is an integer number (15432417000).

Almost surely, 2^556206444542 is an apocalyptic number.

556206444542 is a deficient number, since it is larger than the sum of its proper divisors (431468243458).

556206444542 is a wasteful number, since it uses less digits than its factorization.

556206444542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34641.

The product of its (nonzero) digits is 4608000, while the sum is 47.

The spelling of 556206444542 in words is "five hundred fifty-six billion, two hundred six million, four hundred forty-four thousand, five hundred forty-two".