5243304400 has 60 divisors (see below), whose sum is σ = 13031448300. Its totient is φ = 2024995840.

The previous prime is 5243304389. The next prime is 5243304401. The reversal of 5243304400 is 44033425.

It can be written as a sum of positive squares in 6 ways, for example, as 2702736 + 5240601664 = 1644^2 + 72392^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243304401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214405 + ... + 237604.

It is an arithmetic number, because the mean of its divisors is an integer number (217190805).

Almost surely, 2^5243304400 is an apocalyptic number.

5243304400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5243304400 is an abundant number, since it is smaller than the sum of its proper divisors (7788143900).

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

5243304400 is a wasteful number, since it uses less digits than its factorization.

5243304400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452056 (or 452045 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 5243304400 is about 72410.6649603496. The cubic root of 5243304400 is about 1737.2741483086.

Adding to 5243304400 its reverse (44033425), we get a palindrome (5287337825).

The spelling of 5243304400 in words is "five billion, two hundred forty-three million, three hundred four thousand, four hundred".