5232450640 has 20 divisors (see below), whose sum is σ = 12165447924. Its totient is φ = 2092980224.

The previous prime is 5232450637. The next prime is 5232450647. The reversal of 5232450640 is 460542325.

It can be written as a sum of positive squares in 2 ways, for example, as 648619024 + 4583831616 = 25468^2 + 67704^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5232450647) 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, 32702737 + ... + 32702896.

Almost surely, 2^5232450640 is an apocalyptic number.

It is an amenable number.

5232450640 is an abundant number, since it is smaller than the sum of its proper divisors (6932997284).

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

5232450640 is a wasteful number, since it uses less digits than its factorization.

5232450640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65405646 (or 65405640 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 5232450640 is about 72335.6802691452. The cubic root of 5232450640 is about 1736.0745878179.

Adding to 5232450640 its reverse (460542325), we get a palindrome (5692992965).

The spelling of 5232450640 in words is "five billion, two hundred thirty-two million, four hundred fifty thousand, six hundred forty".