556306624621441 has 8 divisors (see below), whose sum is σ = 558149985436680. Its totient is φ = 554464403447808.

The previous prime is 556306624621373. The next prime is 556306624621453. The reversal of 556306624621441 is 144126426603655.

It can be written as a sum of positive squares in 4 ways, for example, as 28378846752400 + 527927777869041 = 5327180^2 + 22976679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556306624621441 - 2⁷ = 556306624621313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556306624624441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283932496 + ... + 285885073.

It is an arithmetic number, because the mean of its divisors is an integer number (69768748179585).

Almost surely, 2^{556306624621441} is an apocalyptic number.

It is an amenable number.

556306624621441 is a deficient number, since it is larger than the sum of its proper divisors (1843360815239).

556306624621441 is a wasteful number, since it uses less digits than its factorization.

556306624621441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569820803.

The product of its (nonzero) digits is 24883200, while the sum is 55.

The spelling of 556306624621441 in words is "five hundred fifty-six trillion, three hundred six billion, six hundred twenty-four million, six hundred twenty-one thousand, four hundred forty-one".