245120313232340 has 192 divisors, whose sum is σ = 635517617817600. Its totient is φ = 77334914764800.

The previous prime is 245120313232271. The next prime is 245120313232357. The reversal of 245120313232340 is 43232313021542.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 245120313232340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 883811690 + ... + 884088990.

It is an arithmetic number, because the mean of its divisors is an integer number (3309987592800).

Almost surely, 2^{245120313232340} is an apocalyptic number.

245120313232340 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 245120313232340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317758808908800).

245120313232340 is an abundant number, since it is smaller than the sum of its proper divisors (390397304585260).

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

245120313232340 is a wasteful number, since it uses less digits than its factorization.

245120313232340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278842 (or 278840 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 245120313232340 its reverse (43232313021542), we get a palindrome (288352626253882).

The spelling of 245120313232340 in words is "two hundred forty-five trillion, one hundred twenty billion, three hundred thirteen million, two hundred thirty-two thousand, three hundred forty".