556420020326 has 16 divisors (see below), whose sum is σ = 835071110064. Its totient is φ = 278063029344.

The previous prime is 556420020311. The next prime is 556420020367. The reversal of 556420020326 is 623020024655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41279900 + ... + 41293376.

It is an arithmetic number, because the mean of its divisors is an integer number (52191944379).

Almost surely, 2^556420020326 is an apocalyptic number.

556420020326 is a deficient number, since it is larger than the sum of its proper divisors (278651089738).

556420020326 is a wasteful number, since it uses less digits than its factorization.

556420020326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22855.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 556420020326 in words is "five hundred fifty-six billion, four hundred twenty million, twenty thousand, three hundred twenty-six".