253525344144 has 40 divisors (see below), whose sum is σ = 657271256352. Its totient is φ = 84207701760.

The previous prime is 253525344143. The next prime is 253525344151. The reversal of 253525344144 is 441443525352.

It is a junction number, because it is equal to n+sod(n) for n = 253525344096 and 253525344105.

It is not an unprimeable number, because it can be changed into a prime (253525344143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9384694 + ... + 9411669.

Almost surely, 2^253525344144 is an apocalyptic number.

253525344144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

253525344144 is an abundant number, since it is smaller than the sum of its proper divisors (403745912208).

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

253525344144 is a wasteful number, since it uses less digits than its factorization.

253525344144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18796655 (or 18796649 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 42.

Adding to 253525344144 its reverse (441443525352), we get a palindrome (694968869496).

The spelling of 253525344144 in words is "two hundred fifty-three billion, five hundred twenty-five million, three hundred forty-four thousand, one hundred forty-four".