604240123440 has 160 divisors (see below), whose sum is σ = 1972073779200. Its totient is φ = 152623595520.

The previous prime is 604240123429. The next prime is 604240123451. The reversal of 604240123440 is 44321042406.

It is an interprime number because it is at equal distance from previous prime (604240123429) and next prime (604240123451).

It is a super-3 number, since 3×604240123440³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 604240123398 and 604240123407.

It is an unprimeable number.

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, 50477776 + ... + 50489744.

It is an arithmetic number, because the mean of its divisors is an integer number (12325461120).

Almost surely, 2^604240123440 is an apocalyptic number.

604240123440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 604240123440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986036889600).

604240123440 is an abundant number, since it is smaller than the sum of its proper divisors (1367833655760).

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

604240123440 is a wasteful number, since it uses less digits than its factorization.

604240123440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23075 (or 23069 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 604240123440 its reverse (44321042406), we get a palindrome (648561165846).

The spelling of 604240123440 in words is "six hundred four billion, two hundred forty million, one hundred twenty-three thousand, four hundred forty".