556420613344 has 24 divisors (see below), whose sum is σ = 1104078705408. Its totient is φ = 276019672320.

The previous prime is 556420613297. The next prime is 556420613381. The reversal of 556420613344 is 443316024655.

It is a happy number.

It is a super-2 number, since 2×556420613344² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 556420613344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68453197 + ... + 68461324.

It is an arithmetic number, because the mean of its divisors is an integer number (46003279392).

Almost surely, 2^556420613344 is an apocalyptic number.

It is an amenable number.

556420613344 is a deficient number, since it is larger than the sum of its proper divisors (547658092064).

556420613344 is a wasteful number, since it uses less digits than its factorization.

556420613344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136914658 (or 136914650 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

Adding to 556420613344 its reverse (443316024655), we get a palindrome (999736637999).

The spelling of 556420613344 in words is "five hundred fifty-six billion, four hundred twenty million, six hundred thirteen thousand, three hundred forty-four".