5244400252 has 48 divisors (see below), whose sum is σ = 11685159360. Its totient is φ = 2003162112.

The previous prime is 5244400207. The next prime is 5244400253. The reversal of 5244400252 is 2520044425.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 5244400252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5244400253) 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 15 ways as a sum of consecutive naturals, for example, 237853 + ... + 258964.

It is an arithmetic number, because the mean of its divisors is an integer number (243440820).

Almost surely, 2^5244400252 is an apocalyptic number.

5244400252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5244400252 is an abundant number, since it is smaller than the sum of its proper divisors (6440759108).

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

5244400252 is a wasteful number, since it uses less digits than its factorization.

5244400252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496870 (or 496868 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 5244400252 is about 72418.2314890387. The cubic root of 5244400252 is about 1737.3951701293.

Adding to 5244400252 its reverse (2520044425), we get a palindrome (7764444677).

The spelling of 5244400252 in words is "five billion, two hundred forty-four million, four hundred thousand, two hundred fifty-two".