5204040400 has 60 divisors (see below), whose sum is σ = 13464467212. Its totient is φ = 1921489920.

The previous prime is 5204040389. The next prime is 5204040403. The reversal of 5204040400 is 40404025.

It can be written as a sum of positive squares in 6 ways, for example, as 103795344 + 5100245056 = 10188^2 + 71416^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5204040403) 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 11 ways as a sum of consecutive naturals, for example, 495189 + ... + 505588.

Almost surely, 2^5204040400 is an apocalyptic number.

5204040400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5204040400 is an abundant number, since it is smaller than the sum of its proper divisors (8260426812).

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

5204040400 is a wasteful number, since it uses less digits than its factorization.

5204040400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000808 (or 1000797 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 5204040400 is about 72139.0352028636. The cubic root of 5204040400 is about 1732.9268063721.

Adding to 5204040400 its reverse (40404025), we get a palindrome (5244444425).

The spelling of 5204040400 in words is "five billion, two hundred four million, forty thousand, four hundred".