7255816230 has 128 divisors (see below), whose sum is σ = 19014847488. Its totient is φ = 1761357312.

The previous prime is 7255816193. The next prime is 7255816231. The reversal of 7255816230 is 326185527.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7255816231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9980127 + ... + 9980853.

It is an arithmetic number, because the mean of its divisors is an integer number (148553496).

Almost surely, 2^7255816230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7255816230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9507423744).

7255816230 is an abundant number, since it is smaller than the sum of its proper divisors (11759031258).

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

7255816230 is a wasteful number, since it uses less digits than its factorization.

7255816230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 7255816230 is about 85181.0790610215. The cubic root of 7255816230 is about 1935.9557430959.

It can be divided in two parts, 72558 and 16230, that added together give a palindrome (88788).

The spelling of 7255816230 in words is "seven billion, two hundred fifty-five million, eight hundred sixteen thousand, two hundred thirty".