556775467446 has 64 divisors (see below), whose sum is σ = 1230127637760. Its totient is φ = 166590963840.

The previous prime is 556775467429. The next prime is 556775467477. The reversal of 556775467446 is 644764577655.

It is a super-2 number, since 2×556775467446² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (66).

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 31 ways as a sum of consecutive naturals, for example, 9771736 + ... + 9828548.

It is an arithmetic number, because the mean of its divisors is an integer number (19220744340).

Almost surely, 2^556775467446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556775467446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615063818880).

556775467446 is an abundant number, since it is smaller than the sum of its proper divisors (673352170314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556775467446 is a wasteful number, since it uses less digits than its factorization.

556775467446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58701.

The product of its digits is 592704000, while the sum is 66.

The spelling of 556775467446 in words is "five hundred fifty-six billion, seven hundred seventy-five million, four hundred sixty-seven thousand, four hundred forty-six".