245041223025340 has 96 divisors (see below), whose sum is σ = 602611001524224. Its totient is φ = 81942125437440.

The previous prime is 245041223025331. The next prime is 245041223025373. The reversal of 245041223025340 is 43520322140542.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 245041223025340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14609107 + ... + 26523733.

It is an arithmetic number, because the mean of its divisors is an integer number (6277197932544).

Almost surely, 2^{245041223025340} is an apocalyptic number.

245041223025340 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 245041223025340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301305500762112).

245041223025340 is an abundant number, since it is smaller than the sum of its proper divisors (357569778498884).

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

245041223025340 is a wasteful number, since it uses less digits than its factorization.

245041223025340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11918267 (or 11918265 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 245041223025340 its reverse (43520322140542), we get a palindrome (288561545165882).

The spelling of 245041223025340 in words is "two hundred forty-five trillion, forty-one billion, two hundred twenty-three million, twenty-five thousand, three hundred forty".