5203623440 has 20 divisors (see below), whose sum is σ = 12098424684. Its totient is φ = 2081449344.

The previous prime is 5203623433. The next prime is 5203623443. The reversal of 5203623440 is 443263025.

It can be written as a sum of positive squares in 2 ways, for example, as 1948692736 + 3254930704 = 44144^2 + 57052^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (5203623443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32522567 + ... + 32522726.

Almost surely, 2^5203623440 is an apocalyptic number.

It is an amenable number.

5203623440 is an abundant number, since it is smaller than the sum of its proper divisors (6894801244).

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

5203623440 is a wasteful number, since it uses less digits than its factorization.

5203623440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65045306 (or 65045300 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 5203623440 is about 72136.1451700879. The cubic root of 5203623440 is about 1732.8805230740.

Adding to 5203623440 its reverse (443263025), we get a palindrome (5646886465).

The spelling of 5203623440 in words is "five billion, two hundred three million, six hundred twenty-three thousand, four hundred forty".