557390186603844 has 144 divisors (see below), whose sum is σ = 1466310977445888. Its totient is φ = 163429091208000.

The previous prime is 557390186603839. The next prime is 557390186603863. The reversal of 557390186603844 is 448306681093755.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 734220549 + ... + 734979315.

It is an arithmetic number, because the mean of its divisors is an integer number (10182715121152).

Almost surely, 2^{557390186603844} 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 557390186603844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733155488722944).

557390186603844 is an abundant number, since it is smaller than the sum of its proper divisors (908920790842044).

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

557390186603844 is a wasteful number, since it uses less digits than its factorization.

557390186603844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764638 (or 764605 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 69.

The spelling of 557390186603844 in words is "five hundred fifty-seven trillion, three hundred ninety billion, one hundred eighty-six million, six hundred three thousand, eight hundred forty-four".