604640243232 has 72 divisors (see below), whose sum is σ = 1719960032700. Its totient is φ = 201486458880.

The previous prime is 604640243209. The next prime is 604640243237. The reversal of 604640243232 is 232342046406.

604640243232 is a `hidden beast` number, since 6 + 0 + 4 + 640 + 2 + 4 + 3 + 2 + 3 + 2 = 666.

604640243232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 604344540816 + 295702416 = 777396^2 + 17196^2 .

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 (604640243237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 655644 + ... + 1280292.

Almost surely, 2^604640243232 is an apocalyptic number.

It is an amenable number.

604640243232 is an abundant number, since it is smaller than the sum of its proper divisors (1115319789468).

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

604640243232 is a wasteful number, since it uses less digits than its factorization.

604640243232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628026 (or 628015 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 604640243232 its reverse (232342046406), we get a palindrome (836982289638).

The spelling of 604640243232 in words is "six hundred four billion, six hundred forty million, two hundred forty-three thousand, two hundred thirty-two".