5225403440 has 80 divisors (see below), whose sum is σ = 12689321760. Its totient is φ = 1999134720.

The previous prime is 5225403439. The next prime is 5225403451. The reversal of 5225403440 is 443045225.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×5225403440² = 54609682221527667200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159680 + ... + 189600.

It is an arithmetic number, because the mean of its divisors is an integer number (158616522).

Almost surely, 2^5225403440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5225403440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6344660880).

5225403440 is an abundant number, since it is smaller than the sum of its proper divisors (7463918320).

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

5225403440 is a wasteful number, since it uses less digits than its factorization.

5225403440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30030 (or 30024 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 5225403440 is about 72286.9520729710. The cubic root of 5225403440 is about 1735.2948409169.

Adding to 5225403440 its reverse (443045225), we get a palindrome (5668448665).

The spelling of 5225403440 in words is "five billion, two hundred twenty-five million, four hundred three thousand, four hundred forty".