253235244320 has 96 divisors (see below), whose sum is σ = 605832732288. Its totient is φ = 100014788608.

The previous prime is 253235244271. The next prime is 253235244329. The reversal of 253235244320 is 23442532352.

It is not an unprimeable number, because it can be changed into a prime (253235244329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27710792 + ... + 27719928.

It is an arithmetic number, because the mean of its divisors is an integer number (6310757628).

Almost surely, 2^253235244320 is an apocalyptic number.

253235244320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253235244320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302916366144).

253235244320 is an abundant number, since it is smaller than the sum of its proper divisors (352597487968).

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

253235244320 is a wasteful number, since it uses less digits than its factorization.

253235244320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322 (or 11314 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 253235244320 its reverse (23442532352), we get a palindrome (276677776672).

The spelling of 253235244320 in words is "two hundred fifty-three billion, two hundred thirty-five million, two hundred forty-four thousand, three hundred twenty".