5203603440 has 240 divisors, whose sum is σ = 21147092928. Its totient is φ = 1119412224.

The previous prime is 5203603399. The next prime is 5203603469. The reversal of 5203603440 is 443063025.

5203603440 is a `hidden beast` number, since 52 + 0 + 3 + 603 + 4 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 55314 + ... + 116046.

Almost surely, 2^5203603440 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 5203603440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10573546464).

5203603440 is an abundant number, since it is smaller than the sum of its proper divisors (15943489488).

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

5203603440 is a wasteful number, since it uses less digits than its factorization.

5203603440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60776 (or 60767 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 5203603440 is about 72136.0065431959. The cubic root of 5203603440 is about 1732.8783029765.

Adding to 5203603440 its reverse (443063025), we get a palindrome (5646666465).

The spelling of 5203603440 in words is "five billion, two hundred three million, six hundred three thousand, four hundred forty".