5252122240 has 128 divisors (see below), whose sum is σ = 12898022400. Its totient is φ = 2044403712.

The previous prime is 5252122229. The next prime is 5252122241. The reversal of 5252122240 is 422212525.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (5252122241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3690169 + ... + 3691591.

It is an arithmetic number, because the mean of its divisors is an integer number (100765800).

Almost surely, 2^5252122240 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 5252122240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6449011200).

5252122240 is an abundant number, since it is smaller than the sum of its proper divisors (7645900160).

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

5252122240 is a wasteful number, since it uses less digits than its factorization.

5252122240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 5252122240 is about 72471.5270985785. The cubic root of 5252122240 is about 1738.2474801892.

Adding to 5252122240 its reverse (422212525), we get a palindrome (5674334765).

The spelling of 5252122240 in words is "five billion, two hundred fifty-two million, one hundred twenty-two thousand, two hundred forty".