265371327648 has 144 divisors (see below), whose sum is σ = 890278212096. Its totient is φ = 73374543360.

The previous prime is 265371327583. The next prime is 265371327659. The reversal of 265371327648 is 846723173562.

It is a happy number.

265371327648 is a `hidden beast` number, since 2 + 6 + 537 + 1 + 32 + 76 + 4 + 8 = 666.

265371327648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 265371327594 and 265371327603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2060611 + ... + 2185602.

It is an arithmetic number, because the mean of its divisors is an integer number (6182487584).

Almost surely, 2^265371327648 is an apocalyptic number.

265371327648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

265371327648 is an abundant number, since it is smaller than the sum of its proper divisors (624906884448).

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

265371327648 is a wasteful number, since it uses less digits than its factorization.

265371327648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246267 (or 4246256 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The spelling of 265371327648 in words is "two hundred sixty-five billion, three hundred seventy-one million, three hundred twenty-seven thousand, six hundred forty-eight".