5252443440 has 160 divisors (see below), whose sum is σ = 16568552640. Its totient is φ = 1376206848.

The previous prime is 5252443439. The next prime is 5252443451. The reversal of 5252443440 is 443442525.

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, 7165314 + ... + 7166046.

It is an arithmetic number, because the mean of its divisors is an integer number (103553454).

Almost surely, 2^5252443440 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 5252443440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8284276320).

5252443440 is an abundant number, since it is smaller than the sum of its proper divisors (11316109200).

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

5252443440 is a wasteful number, since it uses less digits than its factorization.

5252443440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 5252443440 is about 72473.7431074179. The cubic root of 5252443440 is about 1738.2829143549.

Adding to 5252443440 its reverse (443442525), we get a palindrome (5695885965).

The spelling of 5252443440 in words is "five billion, two hundred fifty-two million, four hundred forty-three thousand, four hundred forty".