242551515320 has 32 divisors (see below), whose sum is σ = 560490667200. Its totient is φ = 94398427008.

The previous prime is 242551515293. The next prime is 242551515337. The reversal of 242551515320 is 23515155242.

It is a happy number.

242551515320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81941600 + ... + 81944559.

It is an arithmetic number, because the mean of its divisors is an integer number (17515333350).

Almost surely, 2^242551515320 is an apocalyptic number.

242551515320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242551515320 is an abundant number, since it is smaller than the sum of its proper divisors (317939151880).

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

242551515320 is a wasteful number, since it uses less digits than its factorization.

242551515320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163886207 (or 163886203 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 242551515320 in words is "two hundred forty-two billion, five hundred fifty-one million, five hundred fifteen thousand, three hundred twenty".