604635605544 has 128 divisors (see below), whose sum is σ = 1580413524480. Its totient is φ = 192625920000.

The previous prime is 604635605543. The next prime is 604635605551. The reversal of 604635605544 is 445506536406.

It is a junction number, because it is equal to n+sod(n) for n = 604635605493 and 604635605502.

It is not an unprimeable number, because it can be changed into a prime (604635605543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8280394 + ... + 8353094.

It is an arithmetic number, because the mean of its divisors is an integer number (12346980660).

Almost surely, 2^604635605544 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 604635605544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790206762240).

604635605544 is an abundant number, since it is smaller than the sum of its proper divisors (975777918936).

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

604635605544 is a wasteful number, since it uses less digits than its factorization.

604635605544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72931 (or 72927 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 604635605544 in words is "six hundred four billion, six hundred thirty-five million, six hundred five thousand, five hundred forty-four".