604143648 has 72 divisors (see below), whose sum is σ = 1724463468. Its totient is φ = 200627712.

The previous prime is 604143647. The next prime is 604143653. The reversal of 604143648 is 846341406.

604143648 is a `hidden beast` number, since 6 + 0 + 4 + 1 + 4 + 3 + 648 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 582353424 + 21790224 = 24132^2 + 4668^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (604143647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75990 + ... + 83562.

Almost surely, 2^604143648 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 604143648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862231734).

604143648 is an abundant number, since it is smaller than the sum of its proper divisors (1120319820).

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

604143648 is a wasteful number, since it uses less digits than its factorization.

604143648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7866 (or 7855 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 604143648 is about 24579.3337582612. Note that the first 3 decimals coincide. The cubic root of 604143648 is about 845.3698172336.

The spelling of 604143648 in words is "six hundred four million, one hundred forty-three thousand, six hundred forty-eight".