604620440 has 64 divisors (see below), whose sum is σ = 1399174560. Its totient is φ = 235002880.

The previous prime is 604620439. The next prime is 604620461. The reversal of 604620440 is 44026406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519299 + ... + 520461.

Almost surely, 2^604620440 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 604620440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (699587280).

604620440 is an abundant number, since it is smaller than the sum of its proper divisors (794554120).

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

604620440 is a wasteful number, since it uses less digits than its factorization.

604620440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 604620440 is about 24589.0308877760. The cubic root of 604620440 is about 845.5921482306.

Adding to 604620440 its reverse (44026406), we get a palindrome (648646846).

The spelling of 604620440 in words is "six hundred four million, six hundred twenty thousand, four hundred forty".