5440440252 has 96 divisors (see below), whose sum is σ = 14275699200. Its totient is φ = 1601010432.

The previous prime is 5440440233. The next prime is 5440440277. The reversal of 5440440252 is 2520440445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478449 + ... + 489687.

It is an arithmetic number, because the mean of its divisors is an integer number (148705200).

Almost surely, 2^5440440252 is an apocalyptic number.

5440440252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5440440252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7137849600).

5440440252 is an abundant number, since it is smaller than the sum of its proper divisors (8835258948).

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

5440440252 is a wasteful number, since it uses less digits than its factorization.

5440440252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11395 (or 11393 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 5440440252 is about 73759.3401000850. The cubic root of 5440440252 is about 1758.7793115309.

Adding to 5440440252 its reverse (2520440445), we get a palindrome (7960880697).

The spelling of 5440440252 in words is "five billion, four hundred forty million, four hundred forty thousand, two hundred fifty-two".