265380052068 has 72 divisors (see below), whose sum is σ = 683459909496. Its totient is φ = 86808960000.

The previous prime is 265380052061. The next prime is 265380052087. The reversal of 265380052068 is 860250083562.

265380052068 is a `hidden beast` number, since 2 + 6 + 538 + 0 + 0 + 52 + 0 + 68 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1798438464 + 263581613604 = 42408^2 + 513402^2 .

It is a super-2 number, since 2×265380052068² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (265380052061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87918 + ... + 733818.

It is an arithmetic number, because the mean of its divisors is an integer number (9492498743).

Almost surely, 2^265380052068 is an apocalyptic number.

It is an amenable number.

265380052068 is an abundant number, since it is smaller than the sum of its proper divisors (418079857428).

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

265380052068 is a wasteful number, since it uses less digits than its factorization.

265380052068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646125 (or 646120 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 265380052068 in words is "two hundred sixty-five billion, three hundred eighty million, fifty-two thousand, sixty-eight".