245040230524220 has 24 divisors (see below), whose sum is σ = 514715455119600. Its totient is φ = 97991145348992.

The previous prime is 245040230524189. The next prime is 245040230524259. The reversal of 245040230524220 is 22425032040542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1559098250 + ... + 1559255409.

It is an arithmetic number, because the mean of its divisors is an integer number (21446477296650).

Almost surely, 2^{245040230524220} is an apocalyptic number.

245040230524220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245040230524220 is an abundant number, since it is smaller than the sum of its proper divisors (269675224595380).

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

245040230524220 is a wasteful number, since it uses less digits than its factorization.

245040230524220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118357597 (or 3118357595 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 245040230524220 its reverse (22425032040542), we get a palindrome (267465262564762).

The spelling of 245040230524220 in words is "two hundred forty-five trillion, forty billion, two hundred thirty million, five hundred twenty-four thousand, two hundred twenty".