604253440 has 144 divisors (see below), whose sum is σ = 1751887872. Its totient is φ = 194936832.

The previous prime is 604253413. The next prime is 604253443. The reversal of 604253440 is 44352406.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 604253399 and 604253408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604253443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150337 + ... + 154303.

It is an arithmetic number, because the mean of its divisors is an integer number (12165888).

Almost surely, 2^604253440 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 604253440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875943936).

604253440 is an abundant number, since it is smaller than the sum of its proper divisors (1147634432).

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

604253440 is a wasteful number, since it uses less digits than its factorization.

604253440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012 (or 3998 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 604253440 is about 24581.5670777923. The cubic root of 604253440 is about 845.4210242721.

The spelling of 604253440 in words is "six hundred four million, two hundred fifty-three thousand, four hundred forty".