265142623242320 has 160 divisors (see below), whose sum is σ = 621001601925120. Its totient is φ = 105277721108480.

The previous prime is 265142623242313. The next prime is 265142623242349. The reversal of 265142623242320 is 23242326241562.

It is a super-2 number, since 2×265142623242320² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14465734916 + ... + 14465753244.

It is an arithmetic number, because the mean of its divisors is an integer number (3881260012032).

Almost surely, 2^{265142623242320} is an apocalyptic number.

265142623242320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265142623242320 is an abundant number, since it is smaller than the sum of its proper divisors (355858978682800).

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

265142623242320 is a wasteful number, since it uses less digits than its factorization.

265142623242320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20493 (or 20487 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 44.

Adding to 265142623242320 its reverse (23242326241562), we get a palindrome (288384949483882).

The spelling of 265142623242320 in words is "two hundred sixty-five trillion, one hundred forty-two billion, six hundred twenty-three million, two hundred forty-two thousand, three hundred twenty".