245241505340 has 48 divisors (see below), whose sum is σ = 554728631520. Its totient is φ = 90533479680.

The previous prime is 245241505337. The next prime is 245241505361. The reversal of 245241505340 is 43505142542.

245241505340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 245241505340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321910 + ... + 1495970.

It is an arithmetic number, because the mean of its divisors is an integer number (11556846490).

Almost surely, 2^245241505340 is an apocalyptic number.

245241505340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245241505340 is an abundant number, since it is smaller than the sum of its proper divisors (309487126180).

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

245241505340 is a wasteful number, since it uses less digits than its factorization.

245241505340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179502 (or 179500 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 245241505340 its reverse (43505142542), we get a palindrome (288746647882).

The spelling of 245241505340 in words is "two hundred forty-five billion, two hundred forty-one million, five hundred five thousand, three hundred forty".