556029422280 has 144 divisors (see below), whose sum is σ = 1846365166620. Its totient is φ = 145119528192.

The previous prime is 556029422257. The next prime is 556029422297. The reversal of 556029422280 is 82224920655.

It is a happy number.

556029422280 is a `hidden beast` number, since 5 + 5 + 60 + 294 + 22 + 280 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 537168794724 + 18860627556 = 732918^2 + 137334^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 445642 + ... + 1144838.

Almost surely, 2^556029422280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556029422280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923182583310).

556029422280 is an abundant number, since it is smaller than the sum of its proper divisors (1290335744340).

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

556029422280 is a wasteful number, since it uses less digits than its factorization.

556029422280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699308 (or 699254 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 556029422280 in words is "five hundred fifty-six billion, twenty-nine million, four hundred twenty-two thousand, two hundred eighty".