5255143040 has 128 divisors (see below), whose sum is σ = 14982347520. Its totient is φ = 1723392000.

The previous prime is 5255143031. The next prime is 5255143043. The reversal of 5255143040 is 403415525.

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

It is a junction number, because it is equal to n+sod(n) for n = 5255142994 and 5255143012.

It is not an unprimeable number, because it can be changed into a prime (5255143043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77540 + ... + 128540.

It is an arithmetic number, because the mean of its divisors is an integer number (117049590).

Almost surely, 2^5255143040 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 5255143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7491173760).

5255143040 is an abundant number, since it is smaller than the sum of its proper divisors (9727204480).

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

5255143040 is a wasteful number, since it uses less digits than its factorization.

5255143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51050 (or 51038 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 5255143040 is about 72492.3653911224. The cubic root of 5255143040 is about 1738.5806719525.

Adding to 5255143040 its reverse (403415525), we get a palindrome (5658558565).

The spelling of 5255143040 in words is "five billion, two hundred fifty-five million, one hundred forty-three thousand, forty".