245305253424 has 240 divisors, whose sum is σ = 811086587136. Its totient is φ = 62512919040.

The previous prime is 245305253407. The next prime is 245305253429. The reversal of 245305253424 is 424352503542.

It is not an unprimeable number, because it can be changed into a prime (245305253429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2097847 + ... + 2211689.

Almost surely, 2^245305253424 is an apocalyptic number.

245305253424 is a gapful number since it is divisible by the number (24) 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 245305253424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405543293568).

245305253424 is an abundant number, since it is smaller than the sum of its proper divisors (565781333712).

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

245305253424 is a wasteful number, since it uses less digits than its factorization.

245305253424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113936 (or 113919 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 39.

Adding to 245305253424 its reverse (424352503542), we get a palindrome (669657756966).

The spelling of 245305253424 in words is "two hundred forty-five billion, three hundred five million, two hundred fifty-three thousand, four hundred twenty-four".