5204452840 has 32 divisors (see below), whose sum is σ = 11758629960. Its totient is φ = 2073139200.

The previous prime is 5204452807. The next prime is 5204452843. The reversal of 5204452840 is 482544025.

It can be written as a sum of positive squares in 4 ways, for example, as 5063460964 + 140991876 = 71158^2 + 11874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5204452796 and 5204452805.

It is not an unprimeable number, because it can be changed into a prime (5204452843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 260301 + ... + 279580.

Almost surely, 2^5204452840 is an apocalyptic number.

It is an amenable number.

5204452840 is an abundant number, since it is smaller than the sum of its proper divisors (6554177120).

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

5204452840 is a wasteful number, since it uses less digits than its factorization.

5204452840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540133 (or 540129 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

The square root of 5204452840 is about 72141.8937927194. The cubic root of 5204452840 is about 1732.9725855102.

Adding to 5204452840 its reverse (482544025), we get a palindrome (5686996865).

The spelling of 5204452840 in words is "five billion, two hundred four million, four hundred fifty-two thousand, eight hundred forty".